Asterisk Blog

Asterisk 20Asterisk 21

Sangoma Trunking Module

Sangoma provides two SIP trunking services which are available to customers, SIPStation which is a great solution for the everyday user and VoIP Innovations which ...
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Asterisk 18How To

Collaborating for Success in Open Source

Open source is becoming very prevalent in the software world, even if it’s not obvious. Your phone, your television, your smart speaker, and even your ...
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Asterisk 17Conference Bridge

Dana and Asterisk, part 2

A couple of weeks ago, Dan Jenkins kindly wrote a guest blog post about Dana — an up-and-coming open source project which helps to highlight ...
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ARIAsterisk 16

Introducing Dana the Stream Gatekeeper

In this troubling time of dealing with COVID-19 around the world we’re seeing more and more need for tools to help in communicating with co-workers, ...
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ArchitectureHow To

Improving Core Dump Analysis

Within the Asterisk project we are constantly trying to improve our processes and data collection when a problem is encountered to reduce the back and ...
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ArchitectureConference Bridge

A Little Glimpse Into ConfBridge

The ConfBridge dialplan application is used countless times each day by people to do conferencing. Long ago this was done using the MeetMe dialplan application ...
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ArchitectureARI

Building a Channel Driver – Part 3

Review If you’ve been following this blog post series, then you should have a channel driver that’s ready to be integrated with ARI. If not, ...
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How ToWebRTC

Issue Walkthrough: DTLS, and the Case of Bad Audio

A past post discusses some tips and tricks to employ when encountering a problem. Here we’ll walk through an issue applying some of those techniques. ...
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ArchitectureConference Bridge

Adding and Removing Media Streams

When stream support was added to Asterisk it was initially done with the focus being for SFU with a single video stream from each participant ...
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ArchitecturePJSIP

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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ArchitectureDocumentation

Building a Channel Driver – Part 2

Review This blog post is the follow up to part 1, which can be found here. If you haven’t read it yet, that would be ...
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Uncategorized

Happy New Year – A Community Update

Hello everyone…for those of you who don’t know me, I’m Jared Smith, Sangoma’s new Vice President for Open Source Community Development. Ever since I first ...
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SIP

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 2021

As you’ve heard by now AstriCon in Orlando, Florida has been cancelled as a physical event. This impacts AstriDevCon as well since we normally also

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OpenSIPit#01 Part 2: STIR/SHAKEN

OpenSIPit 2021 was held back in April with myself and Ben Ford representing Asterisk.  There were two main interoperability focuses this year:  the support of additional

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Asterisk 19 Branch Cut

I’m happy to announce that the Asterisk 19 branch has been cut, and is now frozen in regards to core changes and any changes which

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Asterisk Module Deprecation

The deprecation of modules in Asterisk has generally been a loosely formed word of mouth policy. This has meant that modules are seldom truly removed

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