I am looking at an SDP offer and seeing the line:
a=rtpmap:101 telephone-event/8000/1
Is that valid?
According to the RFCs, anything after the clock rate (8000) is
supposed to be "encoding-specific parameters", and the telephone-event
encoding has no such parameters defined.
Googling, I find a few hundred hits generated by a bunch of different
user agents (including the PacketCable specification), and examples in
draft-robinson-mrcp-sip-00, "Using Media Resource Control Protocol
over SIP". But then RFC 3264 consistently uses the wrong encoding
name "telphone-events".
Dale
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