Constantsยง
- EXTMAP
a=extmap:<id> <uri>- FMTP
a=fmtp:<format> <format-specific-parameters>- MID
a=mid:<mid>- RID
a=rid:<rid-id> <direction> ...- RTCP_FB
a=rtcp-fb:<pt> <feedback-type> [<feedback-parameter>]- RTCP_
MUX a=rtcp-mux- RTPMAP
a=rtpmap:<payload-type> <encoding-name>/<clock-rate>- SETUP
a=setup:<role>- SIMULCAST
a=simulcast:<send-or-recv-list> ...- SSRC
a=ssrc:<ssrc-id> <attribute>- SSRC_
GROUP a=ssrc-group:<semantics> <ssrc-id> ...