Asterisk Blog

Code ContributionContinuous Integration

Developer Note: Test an Asterisk PR against a Testsuite PR

One of the historical issues we’ve had with Asterisk and the Asterisk Testsuite has been that if you’ve created an Asterisk pull request for some ...
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Asterisk 16Conference Bridge

Enrich Your Conference App with Asterisk Enhanced Messaging – Part 2

In “Enrich Your Conference App with Asterisk Enhanced Messaging – Part 1” I demonstrated how you could include chat or other messaging features in your ...
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Asterisk 16Conference Bridge

Enrich Your Conference App with Asterisk Enhanced Messaging – Part 1

At last year’s AstriDevcon, we showed a video conference demonstration application called CyberMegaPhone.  It was a very simple app but it showed how a web ...
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ArchitectureAsterisk 16

Improving Video Quality In The Real World

In the past, we’ve had a few blog posts talking about specific parts of new WebRTC work that has been done in Asterisk; but, with ...
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Asterisk 16Project General

Asterisk-16.0.0-rc1 Released!

Hello Everybody! Can you believe how quickly a year has passed? Time is drawing near to many exciting things – Astricon in October and with ...
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ArchitecturePJSIP

Improved PJSIP Qualify Support Performance

One of the most difficult things in PJSIP is ensuring that the experience is the best it can be for not just people who configure ...
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DocumentationHow To

Using DEBUG_THREADS to find deadlocks.

Asterisk’s DEBUG_THREADS is a compile time tool that helps find deadlocks involving Asterisk locks. You enable DEBUG_THREADS in menuselect’s “Compiler Flags” menu along with other ...
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ArchitectureTesting

Asterisk Test Suite: Building Better Tests

Let’s talk some more about testing, understanding the test framework for Asterisk, and building better tests. An exciting topic I know! In a previous post, we ...
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Uncategorized

Meet Chris Savinovich!

Earlier this year, the Asterisk team at Digium got a little bit bigger!  For today’s blog post, I’m going to interview Chris Savinovich, the most ...
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Asterisk 15Conference Bridge

Enhanced Messaging in Asterisk 13 and 15

The next releases of Asterisk 13 and 15 extend MESSAGE support in chan_pjsip and add it to conference bridges.  While Asterisk has supported the SIP ...
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Asterisk 15PJSIP

Receiver Estimated Maximum Bitrate Support

For the last few months I, along with Ben Ford, have been working on improving the user experience side of the WebRTC support in Asterisk. ...
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Asterisk 15Realtime

RTP: retransmission for video to combat packet loss

Introduction Packet loss can be an annoying problem when dealing with real time communication, especially when dealing with video. It’s very noticeable when the screen ...
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Asterisk 16

It’s getting to be that time of year!

With the changing weather, some of us are thinking about summer with excitement, others about winter with trepidation.  Regardless of which hemisphere you live in ...
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PJSIP Body Generator Persistence

When PJSIP publish and subscribe functionality was created we knew we wanted to provide a pluggable mechanism to allow modules to easily extend and add

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SIP and RTP Routing

One of the most common issues I see when people deploy SIP is calls hanging up after approximately 30 seconds or traffic not going to

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AstriDevCon 2019 – A Recap

Greetings All, Time certainly flies and it seems like AstriDevCon and AstriCon 2019 were a century ago. It’s hard to imagine that in fact they

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