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AstriDevCon July 2025

An AstriDevCon video conference was held on July 20, 2025 with about 15 attendees.  You can get a recap of the event at AstriDevCon July 2025 ...
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How ToTesting

Debugging Tips and Tricks

Overview One of the most challenging things about coding is when your code doesn’t work and you have to figure out why. Trying to track ...
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ArchitectureAsterisk 17

An Asterisk Video Update

Over the past few years we’ve been working to improve the video support in Asterisk. We initially started with adding stream support[1] in a backwards ...
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ARIAsterisk 17

External Media: A new way to get media in and out of Asterisk

At recent AstriDevCon meetings, we discussed the possibility of allowing an ARI application to capture or inject media into calls it controlled.  With the release ...
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Asterisk 17Releases

PSA: chan_sip status changed to “deprecated” & Asterisk 17.0.0-rc2 Release

If you download Asterisk 17 and start it up, you might be one of the people that notices the following messages: If you are using ...
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ARI

ARI: Rested Developments

The Asterisk Rest Interface (ARI) over the last year received several enhancements that have been requested by the community: server side event filtering automatic context ...
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Asterisk 17Releases

Asterisk-17.0.0-rc1 Released!

Greetings Everyone! Time flies when you are having fun and improving Asterisk; this past year has been no different. October and Astricon [1] are fast ...
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ArchitectureDocumentation

PJSIP Configuration Design

A comment that I see frequently when helping people with PJSIP is the lack of a general section (with global options) and how this causes ...
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PJSIPReleases

pjproject-2.9 Qualified For Use With Asterisk

We’re pleased to say that we’ve qualified pjproject 2.9 with Asterisk and that the recent 13.28 and 16.5 Asterisk releases have the bundled pjproject updated ...
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ReleasesSIP

Support for large certificate sizes in DTLS now available!

When DTLS support in Asterisk was added the information about how to use DTLS support in OpenSSL was not as flushed out as it is ...
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Architecture

Stasis State: Improved Management

Stasis has been a core part of Asterisk for a while now. However, state management within it is a bit precarious. A new stasis_state module ...
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ArchitecturePerformance

The case of the blocked AMI Stasis subscription

Manager is an API that has been in Asterisk for almost as long as Asterisk has existed. It provides a mechanism to see what is ...
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ArchitectureAsterisk 16

transport-cc: Improving feedback for better video quality

I’ve previously written about REMB, or receiver estimated maximum bitrate, and its effect on video quality. While this provides periodic feedback from receivers to Asterisk ...
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PJSIP Transport Reload Fun

When PJSIP support in Asterisk was being developed one of the critical areas of development was transports. These are for the most part provided by

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Debug Logging by Category

Logging in software is usually a good thing. It’s often used to output useful information and/or statistics relevant to a current software task. However, everything

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Asterisk 18.0.0 Released!

Kia Ora! (Or Be Healthy) (Don’t ask – I like greetings from various languages) If you haven’t noticed from the various emails and posts Asterisk

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A Video Update

Video has been a continued theme of Asterisk for some years now. We put into place the foundation to allow us to do video better,

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STIR/SHAKEN in Asterisk

What is STIR/SHAKEN? STIR/SHAKEN (Secure Telephony Identity Revisited / Signature-based Handling of Asserted information using toKENs) is a new technology that the telecommunications industry is

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