George Joseph

Blog Author

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 of Asterisk 16.6, that capability is now available.  More information is available on the Asterisk Wiki External Media and ARI web page but let’s go over a simple scenario. Let’s say

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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 to the new version.  All of the patches against pjproject 2.8 we’ve previously submitted upstream to Teluu (the maintainers of pjproject) were accepted but since the release of 2.9, we’ve

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Continuous Integration Update

Back in December in my The Continuing Saga of Continuous Integration blog post I wrote about how we reduced the Testsuite’s “27” layers of file system access down to 3 by moving the Docker container’s /tmp filesystem to be memory backed.  That reduced the number of individual test failures by quite a bit but still

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Did you know you can use “@” variables in pjsip.conf?

You probably already know that you can use the “set_var” parameter on pjsip endpoints to add variables to a channel using that endpoint but did you know you can set custom variables using the “@” prefix?  They aren’t available via the CHANNEL function but they _are_ available using the PJSIP_ENDPOINT and PJSIP_AOR dialplan functions and

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R.I.P. Media Index Cache!

If you’ve been concerned about slow Asterisk startup times or excessive memory utilization, we’ve got some good news for you.  We’ve eliminated the media index cache that gets built when Asterisk starts. Currently, when Asterisk starts, one of the tasks is to do a scan of /var/lib/asterisk/sounds and build an index of every sound file,

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The Continuing Saga of Continuous Integration

or… “Watch This Space” If you’re an Asterisk contributor you’ve probably noticed that we’d been having issues with large numbers of Jenkins test failures during the “gate” phase of the Gerrit review process.  Some tests were failing consistently and others seemed random.  After a lot of head scratching we finally figured out the major contributor

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pjproject-2.8 Qualified For Use With Asterisk

With the release of Asterisk versions 13.24.0-rc1, 15.7.0-rc1 and 16.1.0-rc1, we’re pleased to say that pjproject-2.8 has been qualified for use with Asterisk. In these release candidates, we’ve upgraded the bundled version of pjproject to 2.8 and we’ve verified that all 9 patches to 2.7 we provided to Teluu were included in 2.8. Patches from

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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 conference app.  In Part 2, I’ll show you how to include information about the conference bridge itself and the participants. What data is available? If you’re familiar with the AMI

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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 developer could create a video conference app of their own using Asterisk’s new WebRTC capabilities.   While we made some significant enhancements to Asterisk’s video capabilities over the past year, we also

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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 MESSAGE method in both chan_sip and chan_pjsip for some time, with this enhancement, if a conference bridge participant (connected via chan_pjsip) sends an in-dialog MESSAGE to a conference bridge, the

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