Inside the Asterisk

Category: Interoperability

Asterisk and RFC 4733

Up until recently Asterisk only supported RFC 4733 RTP events when using 8KHz codecs like G.711.  However, with this recent change, Asterisk now supports the

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Asterisk Stir-Shaken Refactor

Note: This new implementation is available as of Asterisk 18.22.0, 20.7.0, and 21.2.0. It’s been almost 4 years since STIR/SHAKEN support was first added to

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491 Request Pending

If you have ever tried to use direct media with Asterisk, you my have received this message before.  It can happen when the User Agent

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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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