Inside the Asterisk

Category: Conference Bridge

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, and have over time taken advantage of this and advanced things further. I thought I would take a little bit of time to reflect back on what has been done.

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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 some of the great video-conferencing capabilities in Asterisk. In this blog post, I’d like to expand on that, and show you how to get a simple video-conferencing solution up and

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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 that utilized DAHDI functionality but with the requirement on DAHDI for it to operate an alternative was needed and ConfBridge came into existence. Have you ever wondered how it actually

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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 with the call starting out with video. This is a use case which is useful for a lot of people and has worked well. Coming soon, however, is the ability

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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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Improving Video Quality In The Real World

In the past, we’ve had a few blog posts talking about specific parts of new WebRTC work that has been done in Asterisk; but, with the release of Asterisk 16, we need to talk about the real-life impact of this work under poorly-performing networks and the resulting video experience. Before we start, let’s dive into

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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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