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Improved PJSIP Qualify Support Performance

By Joshua Colp

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 their Asterisk from normal configuration [...]

Using DEBUG_THREADS to find deadlocks.

By Richard Mudgett

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 useful compile time options like [...]

Asterisk Test Suite: Building Better Tests

By Kevin Harwell

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 discussed how unit testing Asterisk [...]

Meet Chris Savinovich!

By Matt Fredrickson

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 recent addition to Digium’s Asterisk [...]

Enhanced Messaging in Asterisk 13 and 15

By George Joseph

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 MESSAGE method in both chan_sip [...]

Receiver Estimated Maximum Bitrate Support

By Joshua Colp

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. When one thinks of user [...]

RTP: retransmission for video to combat packet loss

By Ben Ford

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 freezes for multiple seconds, then [...]

It’s getting to be that time of year!

By George Joseph

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 though, it's time to start thinking about Asterisk 16! [...]

A Call to Action!

By Matt Fredrickson

Hey Everybody! For those of you that don’t know me, my name is Matthew Fredrickson and I’m the Asterisk Open Source Project Lead. Does that mean I’m the best software [...]

WebRTC and Asterisk: When It Goes Wrong

By Joshua Colp

Like many things WebRTC is a complex stack of technology within Asterisk and also within the browser. The result of this is that to the best of our ability it [...]

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