Search Results for "sip" : 392

SIP Happens! And Kamailio Makes It Easy, Part I

SIP Happens! And Kamailio Makes It Easy, Part I

Monday, January 14, 2019

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If ever there was a Swiss Army Knife for SIP, Kamailio (a.k.a. OpenSER) is the hands-down winner. The flexibility of this open source SIP server is legendary. Whether it’s secure communications, insulation from brute force attacks, load balancing, failover, WebRTC, or the return of shared line appearances on your office phone system, Kamailio can handle it while processing thousands of call setups per second on minimal hardware platforms. Our plan for today is to walk you through setting up a… Read More ›

R.I.P. GVSIP: A Final Farewell to Google Voice

R.I.P. GVSIP: A Final Farewell to Google Voice

Friday, November 16, 2018

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It’s been a death by a thousand cuts, but today marks the end of the Google Voice era with Asterisk®. Since Google removed XMPP support and transitioned to their new GVSIP platform, many have held out hope that Google hadn’t moved to a purely commercial platform with their ObiHai deal. Yesterday, the head of the Google Voice project requested that all Asterisk GVSIP implementations be discontinued citing Google’s Terms of Service. We hinted this was coming back in July and… Read More ›

VoIP 101: Developing a Cost-Effective SIP Strategy

VoIP 101: Developing a Cost-Effective SIP Strategy

Monday, June 11, 2018

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In the lead up to the demise of Google Voice XMPP service next week, we wanted to offer what we have found to be a cost-effective SIP strategy which takes advantage of the best of all worlds. We would divide SIP offerings into five broad categories: business-class unlimited SIP trunks, Old Faithful SIP providers, Mom-and-Pop SIP services, dirt-cheap termination services, and Gee Whiz SIP providers. As we have said many times, the beauty of setting up an Asterisk® PBX such… Read More ›

VoIP’s Dirty Little Secret: Why ‘Unlimited’ SIP Trunks Are a Very Bad Deal

VoIP’s Dirty Little Secret: Why ‘Unlimited’ SIP Trunks Are a Very Bad Deal

Thursday, June 7, 2018

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The snazzy ads and free sign-up offers make so-called Unlimited SIP Trunks sound appealing. Let’s take a careful look at what a service such as SIPStation™ would actually provide and compare prices with what’s offered by providers such as Vitelity. Vitelity’s rates are competitive with those offered by many SIP providers as detailed in this PIAF Forum thread. Full Disclosure: Vitelity is a Platinum Sponsor of Nerd Vittles™ and our open source projects including Incredible PBX®. We also happen to… Read More ›

Introducing Digium’s Awesome SIP Phones for Asterisk

Introducing Digium’s Awesome SIP Phones for Asterisk

Friday, April 13, 2018

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If you’ve been waiting for a low-cost, feature-rich SIP phone that meshes perfectly with your Asterisk® PBX, your prayers have been answered. Digium has just released not one, but four, new SIP phones with prices starting at $59. No, that’s not a typo. Digium gave us a couple of early models to play with, and today we’ll walk you through the incredibly simple setup. We would begin by noting that, despite the pricing, these phones are configured with nothing resembling… Read More ›

Free Worldwide VoIP Calling with SIP URIs and Issabel 4

Free Worldwide VoIP Calling with SIP URIs and Issabel 4

Thursday, August 24, 2017

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SIP URIs make the VoIP World go ’round. They’re the email-like addresses that carry VoIP calls between SIP servers to reach their destination. But there’s gold in them hills if you know how to use SIP URIs because SIP URI calls are free even if the calls travel all the way around the world. We previously documented how to deploy SIP URI calling with PIAF5 and 3CX, and today we’ll show you how to make SIP URI calls from and… Read More ›

XiVO Nirvana: Cloud Hosting with SIP Service for 15¢ a Day

XiVO Nirvana: Cloud Hosting with SIP Service for 15¢ a Day

Wednesday, November 9, 2016

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Unlike in the Ma Bell era, the real beauty of VoIP technology is being able to experiment with different providers and never having to put all your eggs in one basket. And today we’re pleased to introduce a new XiVO hosting and trunk combination that provides first-class service at truly incredible price points. For the XiVO cloud provider, we’ve chosen OVH, a cloud platform that was recommended to us by our friends at 3CX. It also works great with the… Read More ›

Integrating SIP URIs into XiVO for Free Worldwide Calling

Integrating SIP URIs into XiVO for Free Worldwide Calling

Monday, September 26, 2016

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It’s been a while since we’ve explored SIP URIs and all of the advantages that SIP URI calling brings to your PBX. Number one on that list is FREE calling to and from anyone on the planet so long as both of you have an Internet connection with a SIP phone or a VoIP server such as Incredible PBX for XiVO. SIP URIs are the fundamental building blocks for VoIP technology. Consider this. If everyone in the world had a… Read More ›