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 13Asterisk 17

Asterisk 13 and 17 Security Fix Only

While this has been mentioned in a few places I thought it prudent to also create a blog post. Asterisk 13 and Asterisk 17 have ...
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Asterisk 16Asterisk 18

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 18Releases

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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ArchitectureAsterisk 18

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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ArchitectureAsterisk 18

Asterisk ACN: Advanced Codec Negotiation

Codec negotiation in Asterisk has been one of its deepest darkest secrets.  It’s been around since the beginning and over the past two decades it’s ...
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Asterisk 18How To

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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Asterisk 18Releases

Asterisk-18.0.0-rc1 Released!

Greetings Everyone! Another year has flown by and while we now live in interesting times this has not stopped the development and progress of Asterisk ...
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PJSIPSIP

Common SIP URI Issues

When transitioning from the chan_sip channel driver to chan_pjsip one of the items that can catch people off guard is the use of SIP URIs ...
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Project

www.asterisk.org and blogs.asterisk.org Moved And You (Hopefully) Didn’t Notice

Normally you will find me on this blog talking about technical aspects of Asterisk but today I’d like to talk about the Asterisk website and ...
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ArchitectureAsterisk 18

Local Channel Multistream and Re-Negotiation Support

When stream support was initially added to Asterisk we did it in the most backwards compatible way possible to ensure that we did not have ...
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ARIAsterisk 16

ARI Create Channel With Variables

In a blog post long ago we talked about the addition of the create and dial ARI functionality for allowing channels to exist within ARI ...
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Releases

Asterisk Versioning and Releases

Prompted by a post on the Asterisk users mailing list I thought I’d write a bit about Asterisk versioning and releases for this blog post. ...
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The Testsuite and Python 3

Just like that the year is now 2022 (how long will we all forget and write 2021 on things?) and Asterisk 20 work continues! I

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AstriDevCon 2021

Hey all! This is just a quick note about AstriDevCon 2021. AstriDevCon was held virtually on November 2nd, 2021. We had a great showing of

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Asterisk 19.0.0 Released!

Greetings All! If you haven’t noticed from the various emails and posts Asterisk 19.0.0 has now been released and is available for download here! As

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Virtualized Asterisk

If you’re running an Asterisk “farm” of virtualized PBXs and your virtualization environment is dedicated to it, you probably already have your environment pretty well

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STIR/SHAKEN: An Update

STIR/SHAKEN in 2021 It’s been a while since the release of Asterisk 18 and the STIR/SHAKEN update. During this time, we’ve discovered that the specification

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