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The Most Versatile VoIP Provider: FREE PORTING

Frozen in Time: Sangoma at a Crossroads or the Cliff

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We are fast approaching the 18 month anniversary since the mass exodus of talent from Sangoma and Digium. During that time, Asterisk® and FreePBX® have languished in limbo with FreePBX commercial modules mired in discontinued encryption methods and the Asterisk and FreePBX feature set frozen. Sangoma’s acquisition of Digium gave the company a well-respected business phone system in Switchvox® while relegating FreePBX deployments with commercial modules to second-class citizen status.

Now Sangoma has a difficult and expensive decision to make. In order to continue to deploy FreePBX commercial modules on a current operating system and PHP platform, they are facing a multi-million dollar investment to retool all of the commercial modules using an entirely different encryption platform which will generate additional headaches with their module repositories which now must manage and maintain two different sets of modules. Think of it as migrating from an English-based operation to one in which the customer base speaks either English or French, but not both. In the meantime, Asterisk 17 is fast approaching end-of-life while Asterisk 16 is getting long in the tooth with only minor fixes of late. And there’s FreePBX 15 which hasn’t seen significant upgrades since the departure of the former Schmoozecom staff in April of 2019.

While we have never agreed with the Sangoma CEO about much of anything, let’s take over the management reins for a moment and look at the landscape. The Digium acquisition coupled with some other purchases has left Sangoma with a mountain of debt in the middle of a global pandemic. Coronavirus also has forced many businesses to reassess their long-term office strategy. With nearly everyone on the planet now carrying a smartphone and most current employees having high-speed Internet connectivity at home neither of which the company has to pay for, does a fancy office for every employee still make good business sense? When you have a well-positioned business phone offering in Switchvox, does it make good business sense to continue to pump boatloads of money into a competing FreePBX commercial product simply to preserve its functionality? At the same time, Sangoma’s open source Asterisk and FreePBX products need a serious shot in the arm to remain viable. For example, FreePBX 15 with its User Control Panel won’t run on CentOS 8, and CentOS 7 reaches EOL status in December.

So here’s our first act as Sangoma CEO. Convert all of the existing FreePBX commercial modules into open source, GPL code while offering existing FreePBX commercial module customers a 50% discount to migrate to Switchvox within the next six months. We would stagger conversion of the commercial modules to GPL code by releasing three on the first day of every month. This would keep Sangoma in the news for many months to come. The move would not only restore Asterisk and FreePBX to their well-deserved position at the forefront of the open source community, but it would also give Switchvox a leg up in the commercial phone system marketplace. By keeping the identity of the monthly releases a secret, it would build much needed momentum for Sangoma’s open source offerings while reinforcing Sangoma’s commitment to the open source community. Give it some thought, Sangoma!
 

Originally published: Tuesday, September 8, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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Android Alert: Unmasking Your Hidden SIP Phone

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Perhaps the single most important component in the VoIP toolbox for any PBX deployment that includes traveling users is the softphone whether it’s deployed on notebook computers or smartphones. We’re kicking off football season with reviews of some of our favorite SIP softphones for mobile users. We’ve previously written about Linphone and Zoiper and Telephone. We’ve also sung the praises of earlier releases of Google’s Pixel smartphone which makes a perfect VoIP companion even without a cellphone provider. Today we’re passing along an Android tip from @w1ve on the VoIP-Info.org Forum for anyone needing PBX connectivity while away from the home or office. And it won’t cost you a dime so long as you already have an Android smartphone with either a Wi-Fi connection or a data plan with any cellphone carrier.

You may be unaware that Android has been shipping with a native SIP phone since as far back as Android Marshmallow which will be five years old next month. Some phone manufacturers such as Chinese-owned Lenovo/Moto disable the SIP functionality, but many do not including Google, Samsung, and OnePlus. If you’ve deployed an Incredible PBX 2020 PUBLIC server in the Cloud with a PJsip extension, the beauty of this discovery is that you’ll always have VoIP connectivity through your PBX with only a WiFi connection. No SIM is required!

To determine if your Android smartphone includes the SIP dialer, simply open the native Phone app and tap the three vertical bar icon at the top of the dialer menu. From the pull-down menu, choose Settings, Calls, and Calling Accounts. If your Android smartphone includes support for the native SIP dialer, there will be a SIP Accounts option in the menu.

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TIP: Even if the SIP Menu doesn’t appear on your smartphone, it may be that the manufacturer simply disabled the menu without actually trashing the SIP functionality as Lenovo has done. To determine whether the menu has simply been hidden, install QuickShortcutMaker from the Play Store. Run the app and scroll down and tap the SIP Settings option and click Test. It should bring up the SIP Accounts menu shown below.

Tapping SIP Accounts and then + icon will open a dialog to add a SIP account to your phone.

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With an Incredible PBX 2020 PUBLIC server, the entries should look like the following:

  • Username: Your PJsip extension
  • Password: Your PJsip password
  • Server: FQDN of Your PBX
  • Optional Settings -> Port: 5061

Keep in mind that an FQDN for the Server address is required with an Incredible PBX 2020 PUBLIC server. If your server is using a dynamic IP address, you also would want to configure the FQDN using a Dynamic DNS service and refresh that FQDN periodically on your PBX using a cron job. Once you’ve entered your credentials, tap SAVE to activate the SIP account on your smartphone. It should then appear in the SIP Accounts window as shown above.

Next, you have some choices to make as to how the SIP account is actually used. As you can see from our setup (shown above), we allow outbound calls using either the SIM card or the SIP phone, and the phone will prompt for a choice whenever you make a call. We also have activated Inbound SIP calling which, as the dialog explains, uses some battery life. Finally, if you elect to use a chan_SIP extension on your PBX, make certain that you have enabled NAT Mode in the Advanced tab, or you will experience one-way or no audio on calls. This is not required with PJsip extensions. One of the other beauties of PJsip extensions is that you can assign this extension to multiple SIP devices including softphones and desktop phones so long as you increase the Max Contacts entry in the Advanced tab for the PJsip extension. In this way, you can answer incoming calls on your desktop phone when you’re at home or in the office and answer the same calls on your smartphone when you’re out and about. Enjoy!
 

Originally published: Tuesday, September 1, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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The Asterisk Superfecta: Incredible PBX 2020 Finishes First

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At the track, picking the first four winning horses pays big bucks, and you’ll never forget winning the Superfecta. When it comes to unified communications, it’s equally advantageous to have cloud, on-premise, VirtualBox, and VMware offerings from which to choose. With the latest rollouts of Incredible PBX® 2020, you literally have the Asterisk® Superfecta. With the exception of the cloud offering, you don’t even have to buy a ticket. The CrownCloud offerings for $25/year in Los Angeles, Atlanta, Germany, and the Netherlands have no equal.1 And soon we’ll roll out IncredibleBackup2020 so you can move transparently between all the platforms.

The current Incredible PBX 2020 offerings include the following:

  1. Incredible PBX 2020 for CentOS 7 and Raspbian 10
  2. Incredible PBX 2020 for VirtualBox®
  3. Incredible PBX 2020 for VMware®
  4. Incredible PBX 2020 for CrownCloud

Snapshot images are available for Raspbian 10, VirtualBox, VMware, and CrownCloud which means all of these builds can be installed in just a few minutes. The Incredible PBX 2020 offering for CentOS 7 is built from source code on the fly which typically takes about 30 minutes once you have your CentOS 7 Minimal platform in place. And, of course, Incredible PBX 2020 for CentOS 7 can be installed on any platform offering a CentOS 7 base image. Unlike most of the other Asterisk aggregations, all Incredible PBX 2020 offerings include both Asterisk and FreePBX® source code which makes upgrades incredibly flexible whether upgrading Asterisk 16 to the latest, trying out Asterisk 17, or updating FreePBX 15 modules.

Upgrading to the Latest Asterisk 16 Release. All Incredible PBX 2020 platforms include an Asterisk 16 upgrade script in the /root folder which will build you the latest release of Asterisk 16 from source code. It also provides the flexibility to choose which modules to include in the build as well as whether to enhance performance on a particular platform by turning on the BUILD_NATIVE Compiler Flag, a feature that is not available with packaged RPMs.

Upgrading to the Latest Asterisk 17 Release. Appreciating that some of you like to live on the bleeding edge, we now have released an Asterisk 17 upgrade script for the CentOS 7, VirtualBox, VMware, and CrownCloud platforms. Just issue the following commands, and you’ll be off to the races.

cd /root
wget http://incrediblepbx.com/upgrade-asterisk17.tar.gz
tar zxvf upgrade-asterisk17.tar.gz
rm -f upgrade-asterisk17.tar.gz
./upgrade-asterisk17

Updating Your FreePBX 15 Modules. While the Module Admin utility in FreePBX gives you the flexibility to update any or all of your FreePBX modules, a simpler method is available to do a bulk upgrade from the Linux CLI. After logging into your PBX as root, issue these commands:

rm -f /tmp/*
fwconsole ma upgradeall
fwconsole reload
/root/sig-fix
systemctl restart apache2
/root/sig-fix

Regardless of the Incredible PBX 2020 platform you choose, always remember our Automatic Update Utility will keep your PBX current, running reliably, and as bug-free as we possibly can make it. No one else in the VoIP community has anything close. Enjoy the free ride!
 

Originally published: Monday, August 24, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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  1. We don’t make a dime on the CrownCloud platforms, and the on-premise, VirtualBox, and VMware offerings all are free. []

Virtual Paradise: It’s Incredible PBX 2020 for VMware

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Let’s face it. Virtual Machines are the future of server administration. Whether you prefer your own dedicated hardware or cloud-based resources managed by you or someone else, virtual platforms are the way to go. You get more bang for the buck out of your hardware by pooling resources for multiple tasks. VMware® and VirtualBox® make it easy. Today we’re pleased to introduce a summer refresh of our VMware build. It provides the latest Asterisk® 16 and FreePBX® 15 components and now includes Incredible Fax featuring HylaFax and AvantFax. All are built from source, and the install only takes a few minutes.

Just download the VMware tarball image from SourceForge to your desktop. Fire up your browser and login to your VMware Web Console. With a few mouse clicks, you’ll have a CentOS 7 platform in place with Incredible PBX® and Incredible Fax just a single keystroke away. It doesn’t get much easier. And, you get the very latest release of Asterisk 16 compiled from source code that you can actually examine, enhance, and share… just like the GPL license says.

Choosing a Virtual Machine Platform

Making the right deployment choice for your virtual machine platform depends upon a number of factors. We’ve already sung the praises of VirtualBox so we won’t repeat it here. VMware also is rock-solid and has been for decades. VMware typically runs on dedicated hardware. If you don’t have the funds for a hardware purchase to support your virtualization requirements, then VirtualBox on your desktop machine is a no-brainer. For many, however, some separation of the virtualization environment from your desktop computing environment is desirable. That choice is equally easy. VMware wins, hands down. Better yet, you can make snapshot backups of your virtual machines in seconds with a single button click. If you’ve wrestled with backups on standalone hardware with Linux, you’ll quickly appreciate the difference.

Getting Started with VMware ESXi

Many of you have VMware platforms already in place at work. For you, installing Incredible PBX 2020 is as simple as downloading the image to your desktop and importing it into your existing platform. Better yet, your system administrator can do it for you. If you’re new to VMware, here’s an easy way to get started, and the software won’t cost you a dime. VMware offers a couple of free products that will give you everything you need to run a robust VMware platform on relatively inexpensive hardware. The choice is up to you.

A Free VMware Platform for SOHO Apps

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Before you can download the components for the free VMware ESXi platform, you’ll need to sign up for a free account at my.vmware.com. Once you’re signed up, log in and follow these simple steps to sign up for a free ESXi license key and download the ESXi version 6 software:

  1. Write down your assigned License Key
  2. Manually download the VMware vSphere Hypervisor 6.5 ISO
  3. Manually download the VMware vSphere Client 6.5

Next, burn the ISO to a CD/DVD and boot your dedicated VM hardware platform with it. Follow the instructions to complete the install. Next install the vSphere Client on a Windows computer, if desired. Don’t forget to add your ESXi License Key when you complete the installation. Once the ESXi server is up and running, you can stick the hardware on a shelf somewhere out of the way. You will rarely interact with it. That’s all handled using the VMware Web Console. Don’t forget to apply your License Key once VMware ESXi is up: Virtual Machines -> Licensing -> Apply License.

Installing the vSphere Web Client

Most of the feature set of the former Windows vSphere Client now is available from the convenience of your browser. Just point it to the IP address of your VMware server like this: https://ip-address/ui/.

Here’s how to install the vSphere Web Client:

1. Log into the console of your ESXi server as root using your root password.

2. Press F2 to Customized System.

3. Choose Troubleshooting Options.

4. Choose Enable SSH.

5. Using a Terminal window on a Mac or Linux machine or using Putty with Windows, log into the IP address of your ESXi server as root.

6. Issue the following commands to install the latest vSphere Web Client vib and disable http firewall blockage:

esxcli software vib install -v http://download3.vmware.com/software/vmw-tools/esxui/esxui-signed-latest.vib
esxcli network firewall ruleset set -e true -r httpClient

7. Using a web browser, login to the web client as root at https://ESXi-server-IP-address/ui/

8. Should you ever wish to remove the web client from your server:

esxcli software vib remove -n esx-ui

9. You may wish to disable SSH access when you’re finished. Just repeat steps 1-4 above.

Here’s what a typical Incredible PBX Virtual Machine looks like in the web client once you’ve added the VMware Tools to your virtual machine as documented below. There’s even a Console window.

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Under the Virtual Machines tab, you now can manage and add new VMs directly.

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Installing VMware Tools in a Virtual Machine

If you plan to manage your virtual machines using the vSphere Web Client and a browser, then you definitely will want to install the VMware Tools in each of your virtual machines.

For ESXi 6.5, install the new GPL VMware open-vm-tools. Here’s how:

1. Start up your VM and login to the VM as root using SSH or Putty.

2. From the Linux CLI, issue the following commands:

yum -y install --enablerepo=epel open-vm-tools
reboot

Special thanks to John Borhek (@unsichtbarre on the PIAF Forum) for the VMware lessons. 🙂

Deploying the Incredible PBX Template

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Deploying an Incredible PBX template only takes a few minutes, but first you need to download the Incredible PBX 2020 tarball template from SourceForge onto your Desktop PC. Then untar the tar.gz file which will create the IncrediblePBX folder with the VMware image components.

Once the Incredible PBX template components are on your desktop, here are the install steps:

1. Using a browser, login to the VMware Web Console using the root account you set up when you installed ESXi. Choose File, Deploy OVF/OVA Template.

2. Drag-and-drop the IncrediblePBX folder from your Desktop PC onto the web console.

3. Click Next.

4. Give the new Virtual Machine a name.

5. IMPORTANT: Choose Thin Provision option and click Next.

6. Review your entries and click Next to create the new Virtual Machine.

7. It only takes a few minutes to create the new Virtual Machine.

8. The Main Client window will redisplay and your new VM should now be shown in the left panel. (1) Click on it. (2) Then click the Green start icon. (3) Then click the Console Window icon.

9. When the VM’s Console Window opens, click in the window in the black area. Log into your virtual machine as root using the default password: password.

10. To complete the Incredible PBX 2020 setup, you will automatically be walked through the short installation procedure when you start the virtual machine. Following the automatic reboot, just log in a second time as root and the install will complete. We recommend using SSH for your second login so that your desktop PC gets whitelisted in the Incredible PBX firewall.

11. Set up the proper time zone for your server: /root/timezone-setup.

12. Reset admin passwords by running: ./admin-pw-change, ./apache-pw-change, and ./avantfax-pw-change.

13. Choose an email delivery address for your faxes: ./avantfax-email-change.

That should be enough tutorial for today. Enjoy your new VMware platform.

Continue Reading: Configuring Extensions, Trunks & Routes

Don’t Miss: Incredible PBX Application User’s Guide covering the 31 Whole Enchilada apps

Originally published: Monday, February 17, 2020  Updated: Sunday, August 16, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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One-Minute Wonder: It’s Incredible PBX 2020 for VirtualBox


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If you’re new to the VoIP world and want to kick the tires to see what you’re missing, then today’s one minute setup is for you. You’ll get a $10 credit to try out some penny-a-minute calls and to purchase a $1 a month phone number in your choice of area codes. If you decide VoIP is not for you, you don’t have to buy anything ever. And you can use almost any desktop computer you already own to bring up the VirtualBox® edition of Incredible PBX® 2020.

If you’ve followed Nerd Vittles over the years, you already know that VirtualBox from Oracle® is one of our favorite platforms. Once VirtualBox is installed on your desktop computer, adding Incredible PBX is a snap. Download the latest Incredible PBX 2020 image from SourceForge, double-click on the downloaded image, check the initialize MAC address box, and boom. In less than a minute, your PBX is ready to use with the very latest components of Asterisk® 16 and FreePBX® 15. There are no hidden fees or crippleware to hinder your use of Incredible PBX for as long as you like. Just set up an account with our Platinum provider, Skyetel, and you can start making calls in minutes. Of course, the Incredible PBX feature set is included as well which brings you nearly three dozen applications for Asterisk® that will revolutionize your communications platform. Speech-to-text, voice recognition, and a Siri-like telephony interface are as close as your SIP phone.

Installing Oracle VM VirtualBox

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Oracle’s virtual machine platform inherited from Sun is amazing. It’s not only free, but it’s pure GPL2 code. VirtualBox gives you a virtual machine platform that runs on top of any desktop operating system. In terms of limitations, we haven’t found any. We even tested this on an Atom-based Windows 7 machine with 2GB of RAM, and it worked without a hiccup. So step #1 today is to download one or more of the VirtualBox installers from VirtualBox.org or Oracle.com. Our recommendation is to put all of the 100MB installers on a 4GB thumb drive.1 Then you’ll have everything in one place whenever and wherever you happen to need it. Once you’ve downloaded the software, simply install it onto your favorite desktop machine. Accept all of the default settings, and you’ll be good to go. For more details, here’s a link to the Oracle VM VirtualBox User Manual.

NOTE: The Incredible PBX 2020 VM requires a VirtualBox 6.x platform. Adjust screen size in View -> Virtual Screen.

Installing the Incredible PBX 2020 Image

To begin, download the Incredible PBX 2020 image (3.5 GB) onto your desktop.

Next, double-click on the Incredible PBX .ova image on your desktop. Be sure to check the box to initialize the MAC address of the image if you’re using an older version of VirtualBox. Then click Import. Once the import is finished, you’ll see a new Incredible PBX 2020 virtual machine in the VM List of the VirtualBox Manager Window. Let’s make a couple of one-time adjustments to the Incredible PBX configuration to account for possible differences in sound and network cards on different host machines.

(1) Click once on the Incredible PBX virtual machine in the VM List. Then (2) click the Settings button. In System tab, check Hardware Clock in UTC Time. In the Audio tab, check the Enable Audio option and choose your sound card. In the Network tab for Adapter 1, check the Enable Network Adapter option. From the Attached to pull-down menu, choose Bridged Adapter. Then select your network card from the Name list. Then click OK. That’s all the configuration that is necessary for Incredible PBX.

Running Incredible PBX 2020 in VirtualBox

Once you’ve imported and configured the Incredible PBX Virtual Machine, you’re ready to go. Highlight the Incredible PBX virtual machine in the VM List on the VirtualBox Manager Window and click the Start button. The standard Linux boot procedure will begin and, within a few seconds, you’ll get the familiar Linux login prompt. During the bootstrap procedure, you’ll see a couple of dialogue boxes pop up that explain the keystrokes to move back and forth between your host operating system desktop and your virtual machine. Remember, you still have full access to your desktop computer. Incredible PBX is merely running as a task in a VM window. Always gracefully halt Incredible PBX just as you would on any computer.

Here’s what you need to know. To work in the Incredible PBX virtual machine, just left-click your mouse while it is positioned inside the VM window. To return to your host operating system desktop, press the right Option key on Windows machines or the left Command key on any Mac. On Linux desktops, press the right Ctrl key. For other operating systems, read the dialogue boxes for instructions on moving around. To access the Linux CLI, login as root with the default password: password. Change your root password when you are prompted to do so. Then update your admin password for web access: ./admin-pw-change. Also update your admin password for web applications: ./apache-pw-change. You’ll need these admin passwords to access the web GUI to manage your PBX as well as to use the AsteriDex and Reminders web apps. The above password updates are automatically requested when you first activate the virtual machine. You can update all of your other passwords using the scripts provided in /root. For example, you’ll want to set the email delivery address for incoming faxes by running: ./avantfax-email-change. And set the AvantFax admin password by running: ./avantfax-pw-change. When running the AvantFax web application, be advised that you first will be prompted for your Apache admin credentials. Then you will be prompted for your AvantFax admin credentials.

Setting the Date and Time with VirtualBox

On some platforms, VirtualBox has a nasty habit of mangling the date and time of your virtual machine. Verify that you have enabled the Hardware Clock in UTC Time option for your virtual machine as documented above. If pbxstatus still shows an incorrect time, manually set the date and time and then update the hardware clock. Here’s how assuming 08130709 is the month (August), day (13), and correct time (7:09 a.m.) of your server:

date 08130709
clock -w

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Configuring Skyetel for Incredible PBX 2020

If you’d like to try out the Skyetel service at no charge, here’s the drill. Sign up for Skyetel service to take advantage of the Nerd Vittles specials. First, complete the Prequalification Form here. You then will be provided a link to the Skyetel site to complete your registration. Once you have registered on the Skyetel site and your account has been activated, open a support ticket and request the $10 credit for your account by referencing the Nerd Vittles special offer. Once you are satisfied with the service, fund your account as desired, and Skyetel will match your deposit of up to $250 simply by opening another ticket. That gets you up to $500 of half-price calling. Credit is limited to one per person, company, and address. Effective 10/1/2023, $25/month minimum spend required.

Skyetel does not use SIP registrations to make connections to your PBX. Instead, Skyetel utilizes Endpoint Groups to identify which servers can communicate with the Skyetel service. An Endpoint Group consists of a Name, an IP address, a UDP or TCP port for the connection, and a numerical Priority for the group. For incoming calls destined to your PBX, DIDs are associated with an Endpoint Group to route the calls to your PBX. For outgoing calls from your PBX, a matching Endpoint Group is required to authorize outbound calls through the Skyetel network. Thus, the first step in configuring the Skyetel side for use with your PBX is to set up an Endpoint Group. Here’s a typical setup for Incredible PBX 16-15:

  • Name: MyPBX
  • Priority: 1
  • IP Address: PBX-Public-IP-Address
  • Port: 5060
  • Protocol: UDP
  • Description: my.incrediblepbx.com

To receive incoming PSTN calls, you’ll need at least one DID. On the Skyetel site, you acquire DIDs under the Phone Numbers tab. You have the option of Porting in Existing Numbers (free for the first 60 days after you sign up for service) or purchasing new ones under the Buy Phone Numbers menu option.

Once you have acquired one or more DIDs, navigate to the Local Numbers or Toll Free Numbers tab and specify the desired SIP Format and Endpoint Group for each DID. Add SMS/MMS and E911 support, if desired. Call Forwarding and Failover are also supported. That completes the VoIP setup on the Skyetel side. System Status is always available here.

If VirtualBox is sitting behind a router or firewall on a private LAN, you’ll need to forward ports UDP 5060 and 10000-20000 in your router to the private LAN address of your Incredible PBX server. Also edit your extensions in the GUI and set NAT=YES in the Advanced tab of every extension. In Settings -> Asterisk SIP Settings, click the Detect Network Settings button and then Submit your changes and reload the Asterisk dialplan when prompted.

Configuring VoIP.ms for Incredible PBX 2020

To sign up for VoIP.ms service, may we suggest you use our signup link so that Nerd Vittles gets a referral credit for your signup. Once your account is set up, you’ll need to set up a SIP SubAccount and, for Authentication Type, choose Static IP Authentication and enter your Incredible PBX 2020 server’s public IP address. For Transport, choose UDP. For Device Type, choose Asterisk, IP PBX, Gateway or VoIP Switch. Order a DID in their web panel, and then point the DID to the SubAccount you just created. Be sure to specify atlanta1.voip.ms as the POP from which to receive incoming calls.

Configuring V1VoIP for Incredible PBX 2020

To sign up for V1VoIP service, sign up on their web site. Then login to your account and order a DID under the DIDs tab. Once the DID has been assigned, choose View DIDs and click on the Forwarding button beside your DID. For Option #1, choose Forward to IP Address/PBX. For the Forwarding Address, enter the public IP address of your server. For the T/O (timeout) value, set it to 2o seconds. Then click the Update button. Under the Termination tab, create a new Endpoint with the public IP address of your server so that you can place outbound calls through V1VoIP.

Configuring Anveo Direct for Incredible PBX 2020

To sign up for Anveo Direct service, sign up on their web site and then login. After adding funds to your account, purchase a DID under Inbound Service -> Order DID. Next, choose Configure Destination SIP Trunk. Give the Trunk a name. For the Primary SIP URI, enter $[E164]$@server-IP-address. For Call Options, select your new DID from the list. You also must whitelist your public IP address under Outbound Service -> Configure. Create a new Call Termination Trunk and name it to match your server. For Dialing Prefix, choose six alphanumeric characters beginning with a zero. In Authorized IP Addresses, enter the public IP address of your server. Set an appropriate rate cap. We like $0.01 per minute to be safe. Set a concurrent calls limit. We like 2. For the Call Routing Method, choose Least Cost unless you’re feeling extravagant. For Routes/Carriers, choose Standard Routes. Write down your Dialing Prefix and then click the Save button.

Before you can make outbound calls through Anveo Direct from your PBX, you first must configure the Dialing Prefix that you wrote down in the previous step. Log into the GUI as admin using a web browser and edit the Anveo-Out trunk in Connectivity -> Trunks. Click on the custom-Settings tab and replace anveo-pin with your actual Dialing Prefix. Click Submit and Apply Config to complete the setup.

By default, incoming Anveo Direct calls will be processed by the Default inbound route on your PBX. If you wish to redirect incoming Anveo Direct calls using DID-specific inbound routes, then you’ve got a bit more work to do. In addition to creating the inbound route using the 11-digit Anveo Direct DID, enter the following commands after logging into your server as root using SSH/Putty:

cd /etc/asterisk
echo "[from-anveo]" >> extensions_custom.conf
echo "exten => _.,1,Ringing" >> extensions_custom.conf
echo "exten => _.,n,Goto(from-trunk,\${SIP_HEADER(X-anveo-e164)},1)" >> extensions_custom.conf
asterisk -rx "dialplan reload"

Configuring a Softphone for Incredible PBX 2020

We’re in the home stretch now. You can connect virtually any kind of telephone to your new PBX. Plain Old Phones require an analog telephone adapter (ATA) which can be a separate board in your computer from a company such as Digium. Or it can be a standalone SIP device such as ObiHai’s OBi100 or OBi110 (if you have a phone line from Ma Bell to hook up as well). SIP phones can be connected directly so long as they have an IP address. These could be hardware devices or software devices such as the YateClient softphone. We’ll start with a free one today so you can begin making calls. You can find dozens of recommendations for hardware-based SIP phones both on Nerd Vittles and the PIAF Forum when you’re ready to get serious about VoIP telephony.

We recommend YateClient for Windows which is free. Download it from here. Run YateClient once you’ve installed it and enter the credentials for the 701 extension on Incredible PBX. You can find them by running /root/show-passwords. You’ll need the IP address of your server plus your extension 701 password. In the YateClient, fill in the blanks using the IP address of your Server, 701 for your Username, and whatever Password was assigned to the extension when you installed Incredible PBX. Click OK to save your entries.

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Configuring Incredible PBX 2020 for VirtualBox

In order to take advantage of all the Incredible PBX applications, you’ll need to obtain IBM text-to-speech (TTS) and speech-to-text (STT) credentials as well as a (free) Application ID for Wolfram Alpha.

This Nerd Vittles tutorial will walk you through getting your IBM account set up and obtaining both your TTS and STT credentials. Be sure to write down BOTH sets of credentials which you’ll need in a minute. For home and SOHO use, IBM access and services are mostly FREE even though you must provide a credit card when signing up. The IBM signup process explains their pricing plans.

To use Wolfram Alpha, sign up for a free Wolfram Alpha API account. Just provide your email address and set up a password. It takes less than a minute. Log into your account and click on Get An App ID. Make up a name for your application and write down (and keep secret) your APP-ID code. That’s all there is to getting set up with Wolfram Alpha. If you want to explore costs for commercial use, there are links to let you get more information.

In addition to your Wolfram Alpha APPID, there are two sets of IBM credentials to plug into the Asterisk AGI scripts. Keep in mind that there are different usernames and passwords for the IBM Watson TTS and STT services. The TTS credentials will look like the following: $IBM_username and $IBM_password. The STT credentials look like this: $API_USERNAME and $API_PASSWORD. Don’t mix them up. 🙂

All of the scripts requiring credentials are located in /var/lib/asterisk/agi-bin so switch to that directory after logging into your server as root. Edit each of the following files and insert your TTS credentials in the variables already provided: nv-today2.php, ibmtts.php, and ibmtts2.php. Edit each of the following files and insert your STT credentials in the variables already provided: getquery.sh, getnumber.sh, and getnumber2.sh. Finally, edit 4747 and insert your Wolfram Alpha APPID.

Using AsteriDex with Incredible PBX

AsteriDex is a web-based dialer and address book application for Asterisk and Incredible PBX. It lets you store and manage phone numbers of all your friends and business associates in an easy-to-use SQLite3 database. You simply call up the application with your favorite web browser: http://pbx-ip-address/asteridex4/. When you click on a contact that you wish to call, AsteriDex first calls you at extension 701, and then AsteriDex connects you to your contact through another outbound call made using your default outbound trunk that supports numbers in the 1NXXNXXXXXX format.

Keeping FreePBX 15 Modules Current

We strongly recommend that you periodically update all of your FreePBX modules to eliminate bugs and to reduce security vulnerabilities. From the Linux CLI, log into your server as root and issue the following commands:

rm -f /tmp/*
fwconsole ma upgradeall
fwconsole reload
/root/sig-fix
systemctl restart apache2
/root/sig-fix

Taking Incredible PBX for a Test Drive

You can take Incredible PBX on a test drive by dialing D-E-M-O (3366) from any phone connected to your PBX.

With Allison’s Demo IVR, you can choose from the following options:

  • 0. Chat with Operator — connects to extension 701
  • 1. AsteriDex Voice Dialer – say "Delta Airlines" or "American Airlines" to connect
  • 2. Conferencing – log in using 1234 as the conference PIN
  • 3. Wolfram Alpha Almanac – say "What planes are flying overhead"
  • 4. Lenny – The Telemarketer’s Worst Nightmare
  • 5. Today’s News Headlines — courtesy of Yahoo! News
  • 6. Weather by ZIP Code – enter any 5-digit ZIP code for today’s weather
  • 7. Today in History — courtesy of OnThisDay.com
  • 8. Chat with Nerd Uno — courtesy of SIP URI connection to 3CX iPhone Client
  • 9. DISA Voice Dialer — say any 10-digit number to be connected
  • *. Current Date and Time — courtesy of Incredible PBX

Originally published: Monday, December 16, 2019  Updated: Thursday, July 30, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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  1. Many of our purchase links refer users to Amazon when we find their prices are competitive for the recommended products. Nerd Vittles receives a small referral fee from Amazon to help cover the costs of our blog. We never recommend particular products solely to generate Amazon commissions. However, when pricing is comparable or availability is favorable, we support Amazon because Amazon supports us. []

Harnessing the Cloud to Start An Incredible PBX Business


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If you’ve ever wanted to start your own VoIP business and earn some big bucks through consulting and hosting cloud-based PBXs, now’s your chance. One of the requests we often receive from those that deploy Incredible PBX 2020® for a living is a quicker way to produce new Incredible PBX servers on cloud platforms such as Vultr and Digital Ocean while also preserving Incredible PBX’s unique ability to upgrade source components for Asterisk® and FreePBX®. For small businesses, these cloud providers offer a perfect $5 a month platform for Incredible PBX. You can mark it up to $10 or $15 a month and make a handsome 100% to 200% profit without lifting a finger as a VoIP consultant. And Vultr and Digital Ocean will spot you a $100 credit to get the ball rolling.

Today’s solution was especially designed for those that would like to host virtual machines for customers in your own cloud account. It would work equally well for anyone wanting a quick way to create multiple Incredible PBX platforms in 5 minutes for friends and neighbors.

To begin, you’ll need to create a master image of Incredible PBX 2020 on the cloud platform of your choice using the recommended $5/month platform with CentOS 7. The July 1, 2020 or later tarball of Incredible PBX 2020 is required. Here are the Five Easy Steps:

1. Create the base Incredible PBX 2020 platform in the traditional way:

# create a secure root password to hand out to future customers
passwd
yum -y update
yum -y install net-tools nano wget tar
cd /root
wget http://incrediblepbx.com/incrediblepbx2020.1.tar.gz
tar zxvf incrediblepbx2020.1.tar.gz
rm -f incrediblepbx2020.1.tar.gz
# to add swap file on non-OpenVZ cloud platforms with no swap file
./create-swapfile-DO
# kick off Phase I install
./IncrediblePBX2020.sh
# after reboot, kick off Phase II install
./IncrediblePBX2020.sh
# set desired timezone
./timezone-setup
# optionally install Incredible Fax 2020
./incrediblefax2020.sh

2. Once you complete the Phase I and Phase II installs and optionally install Incredible Fax, log out of your server and log back in so that the Automatic Update Utility can do its thing.

3. Next, we need to configure your master image so that it can be replicated using a simple image snapshot. A snapshot is free on the Vultr platform and will cost you about $5 a month with Digital Ocean. While still logged into your server as root, issue the following commands and then shut down your server gracefully:

cd /etc/sysconfig
cp -p rules.v4.tm3 iptables
sed -i 's|#-A|-A|' iptables
touch /etc/update_hostconfig
touch /etc/update_serverconfig
halt

4. Once your server has halted, create a snapshot image of the server from Vultr or Digital Ocean dashboard. You do NOT need to preserve your Master VM once the snapshot is created.

5. Create a new virtual machine but, instead of choosing CentOS 7 as the base platform, choose the snapshot image built in the previous step. Once the 5-minute install completes, it’s ready for handover to a new customer by providing the root password from the Master Image together with the IP address of the new virtual machine.

When the new customer logs in via SSH using the root password from the Master Image, the Incredible PBX reconfiguration script will complete the setup of the new platform in a couple minutes prompting the user to change all of the passwords, resetting the ports for PortKnocker, and reconfiguring the firewall by whitelisting the customer’s IP addresses. If the build includes Incredible Fax, the customer should be instructed to change the AvantFax password. Run: /root/avantfax-pw-change. If the customer is in a different time zone, the customer should run /root/timezone-setup. Whooda thunk making money could be this easy.

The real beauty of this design is that you keep control of all the virtual machines you create. If a customer fails to pay, it’s easy to either shut down their VM or even delete it. You also can schedule automatic backups for the customer while recovering the extra $1 per month charge from the provider. In addition, if the customer ever needs hands-on support, you can use the Console link in the Dashboard without the need to whitelist your IP address. The customer still retains full control over the root password which would have to be provided.
 

Originally published: Monday, July 27, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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Introducing OpenVPN for Incredible PBX

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We’ve been wrestling with virtual private networks for more than 22 years now. Here’s a quick walk down memory lane. Our adventure began with the Altiga 3000 series VPN concentrators which we introduced in the federal courts in 1999. It was a near perfect plug-and-play hardware solution for secure communications between remote sites using less than secure Windows PCs. Cisco quickly saw the potential, gobbled up the company, and promptly doubled the price of the rebranded concentrators. Over a decade ago, we introduced Hamachi® VPNs to interconnect Asterisk® and PBX in a Flash servers. At the time, Hamachi was free, but that was short-lived when they were subsequently acquired by LogMeIn®. What followed was a short stint with PPTP VPNs which worked great with Macs, Windows PCs, and many phones but suffered from an endless stream of security vulnerabilities. Finally, in April 2012, we introduced the free NeoRouter® VPN. Version 2 still is an integral component in every Incredible PBX® platform today, and PPTP still is available as well. While easy to set up and integrate into multi-site Asterisk deployments, the Achilles’ Heel of NeoRouter remains its inability to directly interconnect many smartphones and stand-alone SIP phones, many of which now support the OpenVPN platform.

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The main reason we avoided OpenVPN® over the years was its complexity to configure and deploy.1 In addition, it was difficult to use with clients whose IP addresses were frequently changing. Thanks to the terrific work of Nyr, Stanislas Angristan, and more than a dozen contributors, OpenVPN now has been tamed. And the new server-based, star topology design makes it easy to deploy for those with changing or dynamic IP addresses. Today we’ll walk you through building an OpenVPN server as well as the one-minute client setup for almost any Asterisk deployment and most PCs, routers, smartphones, and VPN-compatible soft phones and SIP phones including Yealink, Grandstream, Snom, and many more. And the really great news is that OpenVPN clients can coexist with your current NeoRouter VPN.

Finally, a word about the OpenVPN Client installations below. We’ve tested all of these with current versions of Incredible PBX 13-13 and 16-15 as well as Incredible PBX 2020 and Incredible PBX 2021. They should work equally well with other server platforms which have been properly configured. However, missing dependencies on other platforms are, of course, your responsibility.

Building an OpenVPN Server Platform

There are many ways to create an OpenVPN server platform. The major prerequisites are a supported operating system, a static IP address for your server, and a platform that is extremely reliable and always available. If the server is off line, all client connections will also fail. While we obviously have not tested all the permutations and combinations, we have identified a platform that just works™. It’s the CentOS 7, 64-bit cloud offering from Vultr. If you use our referral link at Vultr, you not only will be supporting Nerd Vittles through referral revenue, but you also will be able to take advantage of their $100 free credit for new customers. For home and small business deployments, we have found the $5/month platform more than adequate, and you can add automatic backups for an additional $1 a month. Cheap insurance!

A more recent and less costly hosting alternative is the $25/year Crown Cloud offering that we introduced several weeks ago. It includes a free snapshot backup in the $25 annual price.

To get started, create your CentOS 7 instance and login as root using SSH or Putty. Immediately change your password and update and install the necessary CentOS 7 packages. Be sure to turn off SELinux if it is installed by default.

passwd
setenforce 0
# edit /etc/selinux/config
# insert: SELINUX=disabled
# save the SELinux config file
yum -y update
yum -y install net-tools nano wget tar iptables-services
systemctl stop firewalld
systemctl disable firewalld
systemctl enable iptables

We recommend keeping your OpenVPN server platform as barebones as possible to reduce the vulnerability risk. By default, this installer routes all client traffic through the VPN server which wastes considerable bandwidth. The sed commands below modify this design to only route client VPN traffic through the OpenVPN server.


#!/bin/bash
##filename # openvpn-install-mod
echo "      Fix script /root/openvpn-install.sh to ensure internet traffic doesn't use vpn-tunnel."
echo " "
read -p "     Press 'Enter' to continue at your own risk,  or Ctrl+c to abort."
##trap user non root
if [ "$(id -u)" -ne 0 ]; then
echo ""
echo "Must be run as root user: sudo $0" echo ""
exit 1
fi
# cd /root
echo "     Fetching latest copy of install script  /root/openvpn-install.sh from github.com/Angristan"
curl -O https://raw.githubusercontent.com/Angristan/openvpn-install/master/openvpn-install.sh
chmod +x openvpn-install.sh
echo "        running  3 sed commands to ensure only local traffic uses vpn-tunnel :-"
echo '        1st commenting-out line 857'
#### fails to complete with \\"redirect-gateway ## sed -i "s|\\techo 'push \\"redirect-gateway|#\\techo 'push \\"redirect-gateway|" openvpn-install.sh
sed -e '/redirect-gateway d/s/^/#/' -i openvpn-install.sh

echo '2nd commenting-out line 865'
###sed -i "s|push \\"redirect-gateway|#push \\"redirect-gateway|" openvpn-install.sh
sed -e '/redirect-gateway ipv6/s/^/#/' -i openvpn-install.sh

echo '3rd after line 1042 ;  newline 1043   pull-filter ignore redirect-gateway'
###sed -i 's|tls-client|tls-client\\npull-filter ignore "redirect-gateway"|' openvpn-install.sh
sed -i 's|tls-client|tls-client\npull-filter ignore "redirect-gateway"|' openvpn-install.sh

Here are the recommended entries in running the OpenVPN installer:

  • Server IP Address: using FQDN strongly recommended to ease migration issues
  • Enabled IPv6 (no): accept default
  • Port (1194): accept default
  • Protocol (UDP): accept default
  • DNS (3): change to 9 (Google)
  • Compression (no): accept default
  • Custom encrypt(no): accept default
  • Generate Server
  • Client name: firstclient
  • Passwordless (1): accept default

NOTE: On CentOS 7 platforms, edit /usr/lib/systemd/system/openvpn@.service. Scroll down to the ExecStart= line and change %i.conf to %I.conf. Then save the file. Special thanks to @mattburris for catching the error.

In the following steps, we will use IPtables to block all server access except via SSH or the VPN tunnel. Then we’ll start your OpenVPN server:

cd /etc/sysconfig
wget http://incrediblepbx.com/iptables-openvpn.tar.gz
tar zxvf iptables-openvpn.tar.gz
rm -f iptables-openvpn.tar.gz
echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sysctl -p
systemctl -f enable openvpn@server.service
systemctl start openvpn@server.service
systemctl status openvpn@server.service
systemctl enable openvpn@server.service
systemctl restart iptables

Once OpenVPN is enabled, the server can be reached through the VPN at 10.8.0.1. OpenVPN clients will be assigned by DHCP in the range of 10.8.0.2 through 10.8.0.254. You can list your VPN clients like this: cat /etc/openvpn/ipp.txt. You can list active VPN clients like this: cat /var/log/openvpn/status.log | grep 10.8. And you can add new clients or delete old ones by rerunning /root/openvpn-install.sh.

For better security, change the SSH access port replacing 1234 with desired port number:

PORT=1234
sed -i "s|#Port 22|Port $PORT|" /etc/ssh/sshd_config
systemctl restart sshd
sed -i "s|dport 22|dport $PORT|" /etc/sysconfig/iptables
systemctl restart iptables

We’ve made changes in the Angristan script to adjust client routing. By default, all packets from every client flowed through the OpenVPN server which wasted considerable bandwidth. Our preference is to route client packets destined for the Internet directly to their destination rather than through the OpenVPN server. The sed commands added to the base install above do this; however, if you’ve already installed and run the original Angristan script, your existing clients will be configured differently. Our recommendation is to remove the existing clients, make the change below, and then recreate the clients again by rerunning the script. In the alternative, you can execute the command below to correct future client creations and then run it again on each existing client platform substituting the name of the /root/.ovpn client file for client-template.txt and then restart each OpenVPN client.


cd /etc/openvpn
sed -i 's|tls-client|tls-client\\npull-filter ignore "redirect-gateway"|' client-template.txt

Creating OpenVPN Client Templates

In order to assign different private IP addresses to each of your OpenVPN client machines, you’ll need to create a separate client template for each computer. You do this by running /root/openvpn-install.sh again on the OpenVPN server. Choose option 1 to create a new .ovpn template. Give each client machine template a unique name and do NOT require a password for the template. Unless the client machine is running Windows, edit the new .ovpn template and comment out the setenv line: #setenv. Save the file and copy it to the /root folder of the client machine. Follow the instructions below to set up OpenVPN on the client machine and before starting up OpenVPN replace firstclient.ovpn in the command line with the name of .ovpn you created for the individual machine.


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Renewing OpenVPN Server’s Expired Certificate

The server certificate will expire after 1080 days, and clients will no longer be able to connect. Here’s what to do next:

systemctl stop openvpn@server.service
cd /etc/openvpn/easy-rsa
./easyrsa gen-crl
cp /etc/openvpn/easy-rsa/pki/crl.pem /etc/openvpn/crl.pem
systemctl start openvpn@server.service


Installing an OpenVPN Client on CentOS/RHEL

cd /root
yum -y install epel-release
yum --enablerepo=epel install openvpn -y
# copy /root/firstclient.ovpn from server to client /root
# and then start up the VPN client
openvpn --config /root/firstclient.ovpn --daemon
# adjust Incredible PBX firewall below
iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT
cd /usr/local/sbin
echo "iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT" >> iptables-custom

Running ifconfig should now show the VPN client in the list of network ports:

tun0 Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
     inet addr:10.8.0.2  P-t-P:10.8.0.2  Mask:255.255.255.0
     UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
     RX packets:9 errors:0 dropped:0 overruns:0 frame:0
     TX packets:39 errors:0 dropped:0 overruns:0 carrier:0
     collisions:0 txqueuelen:100 
     RX bytes:855 (855.0 b)  TX bytes:17254 (16.8 KiB)

And you should be able to login to the VPN server using its VPN IP address:

# enter actual SSH port replacing 1234
PORT=1234
ssh -p $PORT root@10.8.0.1

Installing an OpenVPN Client on Debian and Ubuntu

cd /root
apt-get update
apt-get install openvpn unzip
dpkg-reconfigure tzdata
# copy /root/firstclient.ovpn from server to client /root
# and then start up the VPN client
openvpn --config /root/firstclient.ovpn --daemon
# adjust Incredible PBX firewall below
iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT
cd /usr/local/sbin
echo "iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT" >> iptables-custom

Running ifconfig should now show the VPN client in the list of network ports:

tun0 Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  
     inet addr:10.8.0.2  P-t-P:10.8.0.2  Mask:255.255.255.0
     UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
     RX packets:9 errors:0 dropped:0 overruns:0 frame:0
     TX packets:39 errors:0 dropped:0 overruns:0 carrier:0
     collisions:0 txqueuelen:100 
     RX bytes:855 (855.0 b)  TX bytes:17254 (16.8 KiB)

And you should be able to login to the VPN server using its VPN IP address:

# enter actual SSH port replacing 1234
PORT=1234
ssh -p $PORT root@10.8.0.1

Installing an OpenVPN Client on Raspbian

The OpenVPN client now is easy to install on the latest Incredible PBX builds for the Raspberry Pi. Log into your server as root and issue the following commands to set your time zone and install the OpenVPN client. pbxstatus should then show the 10.8.0.x VPN address in the Private IP listing.

dpkg-reconfigure tzdata
apt-get install openvpn unzip
# copy your .ovpn template into /root
# edit template and comment out setenv line
# start up the client using actual .ovpn filename
openvpn --config /root/raspi.ovpn --daemon
# adjust Incredible PBX firewall
iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT
cd /usr/local/sbin
echo "iptables -A INPUT -s 10.8.0.0/24 -j ACCEPT" >> iptables-custom
iptables-restart
pbxstatus

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Installing an OpenVPN Client on a Mac

While there are numerous OpenVPN clients for Mac OS X, none hold a candle to Tunnelblick in terms of ease of installation and use. First, create a new client config on your server and copy it (/root/*.ovpn) to a folder on your Mac where you can find it. Download Tunnelblick and install it. Run Tunnelblick and then open Finder. Click and drag your client config file to the Tunnelblick icon in the top toolbar. Choose Connect when prompted. Done.

Installing an OpenVPN Client for Windows 10

The installation procedure for Windows is similar to the Mac procedure above. Download the OpenVPN Client for Windows. Double-click on the downloaded file to install it. Create a new client config on your server and copy it (/root/*.ovpn) to a folder on your PC where you can find it. Start up the OpenVPN client and click on the OpenVPN client in the activity tray. Choose Import File and select the config file you downloaded from your OpenVPN Server. Right-click on the OpenVPN icon again and choose Connect. Done.

Installing an OpenVPN Client for Android

Our favorite OpenVPN client for Android is called OpenVPN for Android and is available in the Google Play Store. Download and install it as you would any other Android app. Upload a client config file from your OpenVPN server to your Google Drive. Run the app and click + to install a new profile. Navigate to your Google Drive and select the config file you uploaded.

Installing an OpenVPN Client for iOS Devices

The OpenVPN Connect client for iOS is available in the App Store. Download and install it as you would any other iOS app. Before uploading a client config file, open the OpenVPN Connect app and click the 4-bar Settings icon in the upper left corner of the screen. Click Settings and change the VPN Protocol to UDP and IPv6 to IPV4-ONLY Tunnel. Accept remaining defaults.

To upload a client config file, the easiest way is to use Gmail to send yourself an email with the config file as an attachment. Open the message with the Gmail app on your iPhone or iPad and click on the attachment. Then choose the Upload icon in the upper right corner of the dialog. Next, choose Copy to OpenVPN in the list of apps displayed. When the import listing displays in OpenVPN Connect, click Add to import the new profile. Click ADD again when the Profile has been successfully imported. You’ll be prompted for permission to Add VPN Configurations. Click Allow. Enter your iOS passcode when prompted. To connect, tap once on the OpenVPN Profile. To disconnect, tap on the Connected slider. When you reopen the OpenVPN Connect app, the OVPN Profiles menu will display by default. Simply tap once on your profile to connect thereafter.

Installing a Web Interface to Display Available Clients

One advantage of NeoRouter is a simple way for any VPN client to display a listing of all VPN clients that are online at any given time. While that’s not possible with OpenVPN, we can do the next best thing and create a simple web page that can be accessed using a browser but only from a connected OpenVPN client pointing to http://10.8.0.1.

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To set this up, log in to your OpenVPN server as root and issue the following commands:


yum --enablerepo=epel install lighttpd -y
systemctl start lighttpd.service
systemctl enable lighttpd.service
chown root:lighttpd /var/log/openvpn/status.log
chmod 640 /var/log/openvpn/status.log
cd /var/www
rm -rf lighttpd
wget http://incrediblepbx.com/lighttpd.tar.gz
tar zxvf lighttpd.tar.gz
ln -s /var/log/openvpn/status.log /var/www/lighttpd/status.log
sed -i 's|#server.bind = "localhost"|server.bind = "10.8.0.1"|' /etc/lighttpd/lighttpd.conf
systemctl restart lighttpd.service

 
UPDATE: On some cell phones and on Windows PCs, you may observe that you can no longer reach your favorite web sites after enabling the OpenVPN client. Luckily there’s a simple fix that allows 10.8.0.x traffic to be sent through the OpenVPN tunnel while all other traffic is routed out of your standard network connection. Here’s the fix. Make sure the .ovpn client config file includes the following lines:

pull-filter ignore redirect-gateway
route-nopull
route 10.8.0.0 255.255.255.0

Originally published: Monday, July 20, 2020  Updated: Saturday, June 25, 2022


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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  1. Our discussion today is focused on the free, MIT-licensed version of OpenVPN. For details on their commercial offerings, follow this link. []

A New World: Adding Cellular Extensions to Incredible PBX

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Over the past few weeks, we’ve introduced a revolutionary new technology for the Asterisk® and FreePBX® community by marrying Incredible PBX® with GTI Global cellular extensions. For $20 to $35 a month, you get a new SIM card for your unlocked GSM cellphone that links all four U.S. carrier networks to a PJsip extension on your PBX. Incoming calls ring on both the cellphone and any other SIP phone connected to the same PJsip extension. Outbound calls from the cellphone get processed just like every other outbound call on your PBX. All the other bells and whistles that make Asterisk and FreePBX a one-of-a-kind platform work exactly the same way on the smartphone as they do with every other PBX extension. And your cell phone is no longer tied to a single carrier’s network. Based upon your current U.S. location, the GTI SIM finds the strongest signal by automatically selecting from the cell towers of the four major U.S. carriers: AT&T, Verizon, T-Mobile, and Sprint. And last week, we added additional icing to the cake by introducing the perfect cloud platform for Incredible PBX in either Atlanta or Los Angeles for a jaw-dropping $25 a year with a 5-minute install.

Today we want to document the setup procedure to put all the cellular pieces in place to add a GTI-enabled cellphone to your Incredible PBX platform. In a nutshell, there are preliminary configuration steps on your PBX so that GTI can verify that your PBX can be successfully integrated into their cellular network. Next, you’ll need to sign up for service with GTI Global and provide some basic information about your server configuration. Once you receive credentials from GTI Global, you’ll need to complete some additional setup steps on your PBX including creation of a GTI trunk as well as configuring inbound and outbound routes to support your cellphone calls. You’ll also need to add exceptions for each GTI DID to the [from-sip-external] context. Finally, await delivery of your SIM card and then decide how you will deploy the GTI SIM on a GSM cellphone of your choice.

GTI Global provides promotional consideration to help defray costs of our Asterisk projects.

Preliminary Configuration Steps with Incredible PBX

To connect a GTI-enabled cellphone to Incredible PBX, here are the preliminary steps:

  1. Incredible PBX must have a static IP address on the public Internet.
  2. Whitelist a number of GTI IP addresses in your firewall.
  3. Create a PJsip extension for each GTI-enabled cellphone.
  4. Create a Preliminary Chan_SIP Trunk for Registration to GTI.

These whitelist entries should be added to iptables-custom in the /usr/local/sbin directory:

/usr/sbin/iptables -I INPUT -p udp -m udp -s 99.198.122.166 --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 99.198.110.51  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 96.127.174.38  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 37.18.129.170  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 37.18.129.171  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 37.18.129.172  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s 37.18.129.173  --dport 5060:5069 -j ACCEPT
/usr/sbin/iptables -I INPUT -p udp -m udp -s someid.mvnoserver.com --dport 5060:5069 -j ACCEPT

 
For each GTI cellphone you plan to deploy, add a PJsip extension with a very secure password:

Extension: 484xx1
Display Name: 484xx1 GTI
Secret: yourSuperSecretpassword

Advanced -> Max Contacts: 3

 
Also make note of the SIP port that is configured for your PJsip extensions, typically 5061. It’s shown as Port to Listen On under Settings -> SIP Settings -> PJsip Settings in FreePBX GUI.

Create a preliminary Chan_SIP Trunk for registration to GTI leaving the CallerID field empty:

Trunk Name: trunk4321

PEER Details:

username=trunk4321
type=friend
secret=yourBIGpassword
host=xxxxxx.mvnoserver.com
disallow=all
allow=ulaw
canreinvite=no
dtmfmode=rfc2833
port=5062

Register string: trunk4321:yourBIGpassword@xxxxxx.mvnoserver.com:5062

 

Registration Information to be Provided to GTI

As part of your GTI setup procedure, in addition to your name and a reachable cellphone number, you will be prompted for the following information. If any of it is missing, open a support ticket and provide it. NOTE: you must register through our portal, or your request will be denied unless you pay the standard $250 setup fee which is waived for our users. All GTI accounts through Nerd Vittles include one free SIM card, a free trunk account to process calls to and from your GTI pjSIP extension(s), and a free DID for each SIM card. Unlimited calling and unlimited SMS/MMS messaging is included on all plans. Pricing difference is for monthly data allocations: $20 (no data), $25 (2GB), and $35 (4GB). You must pay for the first month’s service BEFORE your SIM card will be shipped.

  1. PBX Public IP Address and Trunk Listening Port (5062)
  2. Extension IP address (PBX public IP address)
  3. pjSIP Extension Number
  4. pjSIP Extension Secret
  5. pjSIP Extension Port (5061)
  6. Service Desired: $20, $25, or $35 monthly plan
  7. Area Code Desired for DID
  8. Business Name and Shipping Address for Your SIM

Configuring Your PBX with GTI Credentials

Once GTI has verified that they can communicate with your PBX, you will be provided the credentials for your GTI Trunk. Simply edit the trunk you configured above inserting the Trunkname/Username, Secret, Host, and Port for your new Trunk. Modify the Register String, save your settings, and reload your dialplan. Also edit your whitelist and change the FQDN from someid.mvnoserver.com to the host name that was provided. Then restart the firewall: iptables-restart.

Verifying Successful Extension & Trunk Registrations. Once your GTI extension and trunk are configured. You can verify successful connections in the Asterisk CLI.
For the extension: pjsip show aors
For the trunk: sip show registry

Configuring an Inbound Route for GTI Global Calls. Replacing 16785551212 with your actual 11-digit DID assigned to each cellphone, create Inbound Routes that look like this:

Description: GTIglobal 16785551212
DID Number: 16785551212
Destination: Extension -> 484001 (extension number of matching SIM)

 
Also add the following context at the end of /etc/asterisk/extensions_custom.conf using your DID. Then reload your dialplan: asterisk -rx "dialplan reload"

[from-sip-external]
; GTI Global
exten => 16785551212,3,Goto(from-trunk,${DID},1)

 

Configuring an Outbound Route for GTI Global Calls. No special outbound routes are required unless you wish to use the GTI Global trunk to process U.S. calls at no cost. In this case, configure an Outbound Route pointing to your GTI Global Trunk. NOTE: Calls using this trunk can only be made from the extensions associated with GTI Global SIMs.

CallerID and Trunking Strategy. In setting up the GTI components in FreePBX, you need to consider how you wish to process outbound calls. If you want all outbound calls including those from the GTI extensions to reflect the company’s main phone number, then you can use your default outbound route making certain that CallerID override is set with the company number in the appropriate trunks. No CallerID should be set in the outbound route.

If you want calls from the GTI extensions to use the GTI trunk with the CallerID number of the individual cellphones, then the GTI trunk needs to be moved to the top of the default route sequence with no CallerID number specified in the GTI trunk or the outbound route. Instead, set the correct 11-digit CallerID numbers in each of the GTI extensions. This will not impact outbound calls from other extensions because the GTI trunk will indicate congestion forcing the calls out through the next trunk specified in the outbound route.

I’ve Got My GTI SIM. Now What?

It’s decision time on what sort of smartphone you wish to use with your GTI SIM. If you’re a heavy data consumer then it may make sense to acquire a cellphone that supports dual SIMs and use a SIM with an unlimited data plan as your data provider and use the GTI SIM for business purposes with your PBX.

Choosing a Cellphone Platform. Our favorite deployment strategy is to take advantage of the new dual SIM offerings that allow a user to have one SIM for personal use and a second SIM (GTI) for business use. This lets you acquire the least expensive cell service with unlimited data for personal use and acquire the $20 GTI SIM with no data plan through our Incredible PBX offering. You don’t really need two data plans on the same smartphone. A couple of options worth exploring include GTI’s MVNO offering of T-Mobile unlimited data service for $35 a month and Visible (a Verizon-owned MVNO) that offers unlimited plans for as little as $25 a month with a four-user signup. The users need not be related, and the users can each pay their own monthly bill. Keep in mind that MVNOs almost always have fine print allowing "deprioritization" in busy areas and during busy times of the day. And the underlying carriers always screw their MVNO customers first.

Some smartphones support two SIMs while others have one physical SIM slot plus an eSIM registration that can be acquired from the major carriers. We personally liked an unlocked $200 Motorola G8+ which has two actual SIM slots as do most of the newer Samsung, OnePlus, Huawei, and many other smartphones. Several cellphones from BLU are available for under $25. The following devices currently support a single SIM card plus an eSIM:

  • Apple® iPhone® SE
  • Apple iPhone 11
  • Apple iPhone 11 Pro
  • Apple iPhone 11 Pro Max
  • Apple iPhone XR
  • Apple iPhone XS
  • Apple iPhone XS Max
  • Google Pixel 4 / Pixel 4 XL

Configuring the API Settings for GTI. Once you insert your SIM into your smartphone and power it on, you need to modify the API settings and choose GTI Global (Mobile-X) as your provider for the GTI SIM. Here is a FAQ covering the appropriate API settings depending on whether you’re using an iPhone or Android phone. Here’s another tip. Even though your phone may show a number of available carriers other than Mobile-X, that doesn’t mean you can connect to any of them directly. Why? Because you don’t have credentials to access those networks. Your connection to those other networks is only available through Mobile-X using your GTI credentials.

Testing Out Your GTI Smartphone

Once you complete all of the steps above, it’s time to try things out. From your cellphone, try dialing *98 to connect to Asterisk voicemail. Next, try calling another extension on your PBX. Then try calling an outside number. Finally, try calling the DID of your GTI SIM from another phone and be sure it rings and you have audio in both directions.

When you complete the testing, you can add another SIP phone to the same extension as your GTI cellphone. Be sure to set the port to the proper port for your PJsip extension. When you call your GTI SIM’s DID, both the smartphone and the SIP phone should ring simultaneously.

In some environments, you may wish to configure 611 calls to ring a support ring group in your organization. If so, add a new SIP extension 611 and forward calls to that extension to the number of the desired ring group. For example, if the Ring Group number is 777, you could enter the following command at the Asterisk CLI: database put CF 611 777.
 

Originally published: Monday, July 13, 2020


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Need help with Asterisk? Visit the VoIP-info Forum.


 

Special Thanks to Our Generous Sponsors


FULL DISCLOSURE: ClearlyIP, Skyetel, Vitelity, DigitalOcean, Vultr, VoIP.ms, 3CX, Sangoma, TelecomsXchange and VitalPBX have provided financial support to Nerd Vittles and our open source projects through advertising, referral revenue, and/or merchandise. As an Amazon Associate and Best Buy Affiliate, we also earn from qualifying purchases. We’ve chosen these providers not the other way around. Our decisions are based upon their corporate reputation and the quality of their offerings and pricing. Our recommendations regarding technology are reached without regard to financial compensation except in situations in which comparable products at comparable pricing are available from multiple sources. In this limited case, we support our sponsors because our sponsors support us.

blankBOGO Bonaza: Enjoy state-of-the-art VoIP service with a $10 credit and half-price SIP service on up to $500 of Skyetel trunking with free number porting when you fund your Skyetel account. No limits on number of simultaneous calls. Quadruple data center redundancy. $25 monthly minimum spend required. Tutorial and sign up details are here.

blankThe lynchpin of Incredible PBX 2020 and beyond is ClearlyIP components which bring management of FreePBX modules and SIP phone integration to a level never before available with any other Asterisk distribution. And now you can configure and reconfigure your new Incredible PBX phones from the convenience of the Incredible PBX GUI.

blankVitalPBX is perhaps the fastest-growing PBX offering based upon Asterisk with an installed presence in more than 100 countries worldwide. VitalPBX has generously provided a customized White Label version of Incredible PBX tailored for use with all Incredible PBX and VitalPBX custom applications. Follow this link for a free test drive!
 

blankSpecial Thanks to Vitelity. Vitelity is now Voyant Communications and has halted new registrations for the time being. Our special thanks to Vitelity for their unwavering financial support over many years and to the many Nerd Vittles readers who continue to enjoy the benefits of their service offerings. We will keep everyone posted on further developments.
 



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