[OpenSIPS-Users] rtpproxy module not supporting valid payload types

Robert Dyck rob.dyck at telus.net
Thu Apr 2 18:42:04 EST 2020


Regarding opensips-3.0
Use case - webrtc client behind NAT

The rtpproxy module emitted the error message "can't extract media port from 
the message" ( by the way, very misleading ). In reality extract_mediainfo fails 
because it could not find a supported payload type in the media description. The 
payload type in question is "UDP/TLS/RTP/SAVPF".

RFC 5764 section 8 introduces four more RTP types.
DCCP/TLS/RTP/SAVP and SAVPF
UDP/TLS/RTP/SAVP and SAVPF

Should rtpproxy.c be extended to support these additional RTP types?

Thank you, Rob
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