Last week we introduced the new (free) version of PIAF5 powered by 3CX v15.5 supporting four simultaneous calls, unlimited trunks, 10 extensions, and 10-user conference calls. And today we’re torture-testing our new 3CX server in the Bahamas aboard one of Carnival’s 3,000-passenger floating cities. Somebody’s gotta do it, right? What makes this such a challenging test for any PBX are several things. First, we’re using a free Google Voice trunk on a free 3CX PBX that we configured in under 10 minutes at CloudAtCost for a one-time cloud server charge of $17.50. Second, we’re sharing a satellite Internet connection with 3,000 other people in the middle of the Caribbean. The weekly charge is about $100 so every Internet junkie subscribes. Third, we’re using a 3CX Client on an iPhone in Airplane Mode. And, finally, we’re sitting behind the most Draconian firewall you can imagine because Carnival assumes everyone is a bad guy trying to bring their Internet service to its knees.

For those coming from the Asterisk® world, I don’t have to remind you how challenging this NAT-based setup would be even assuming you had a flawless Internet connection. Believe me. We don’t. And the secret sauce that makes all of this seem like child’s play is the latest collection of 3CX Clients for PCs, Macs, Android devices, and iPhones/iPads. Simply download the client for your platform, log into your 3CX portal and send the welcome email from a configured extension to your phone, open the email on your phone and double-click on the attachment, and boom. Your 3CX Client is automatically configured in seconds and ready to make your first call. A monkey could do it. It’s that easy!

So our torture-test for today looks more like a final exam in VoIP telephony. We’ll be using Carnival’s WiFi connection from our iPhone with its iOS 3CX Client. We’ll dial into the Incredible PBX™ at our office in Charleston. The office number is configured with a Stealth AutoAttendant which we’ll use to make an outbound call to our Demo IVR in Marbella, Spain using DISA and a FreeVoipDeal trunk. For the techies, it’s the NAT Trifecta with DTMF hurdles that are virtually impossible to traverse using Asterisk and any SIP client.

Guess what? It not only works, but it sounds like you’re sitting in the adjoining office. No echo, no DTMF problems, no missing audio, and no detectable problems in voice quality with either the Charleston IVR or the Marbella IVR. If cost matters and traveling is a key component in your telephony requirements, you owe it to yourself to set up a free 3CX PBX and take it for a spin. Whether you use it to supplement an existing Asterisk setup or as a standalone PBX, we think you’ll be thrilled with the results.

Continue reading about the new, free PIAF5 server powered by 3CX v.15.5

Originally published: Monday, June 12, 2017



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​​3CX is a software PBX that’s easy to install & manage. It includes integrated softphones, WebRTC conferencing and essential add-ons out of the box, at no additional cost. Try the free edition at www.3cx.com. Better yet, download the PIAF5 ISO powered by 3CX. Free version includes support for 8 simultaneous calls with a SIP trunk.

  • Run on Premise or in the Cloud, on Windows and now on Linux
  • Softphones for iOS, Android, Win & Mac
  • Easy install, backup & restore, version upgrades
  • Automatically configures IP Phones, SIP Trunks & Gateways

  • RentPBX, a long-time partner and supporter of PIAF project, is offering generous discounts for Nerd Vittles readers. For all of your Incredible PBX hosting needs, sign up at www.RentPBX.com and use code NOGOTCHAS to get the special pricing. The code will lower the price to $14.99/month, originally $24.99/month. It’s less than 50¢/day.


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