Inside the Asterisk

Keyword: RTCP

Receiver Estimated Maximum Bitrate Support

For the last few months I, along with Ben Ford, have been working on improving the user experience side of the WebRTC support in Asterisk. When one thinks of user experience the first thing that comes to mind is usually a user interface but in this context I’m referring to underlying technology. Ben has been

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RTP Security Vulnerabilities: A Retrospective

[dropshadowbox align=”none” effect=”lifted-both” width=”auto” height=”” background_color=”#ffffff” border_width=”1″ border_color=”#dddddd” ]tl;dr: We fixed the vulnerabilities. If you’d like to read the conclusion of this admittedly long saga, scroll down to the Conclusion at the end.[/dropshadowbox] Overview This month, the Asterisk project performed two security releases to address an unauthorized RTP data disclosure vulnerability in its real-time transport

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rtcp-mux in WebRTC

Do you use WebRTC with Asterisk? Did you notice calls stop working after updating Google Chrome to version 57? Are you curious why that happened? The answer is the rtcp-mux feature. What is rtcp-mux? The majority of VoIP protocols make use of the Realtime Transmission Protocol (RTP) for transmitting and receiving media. In addition to

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