Hi sip group:
I have the following question:
as RFC 3312 13.1 describing:
1) UAC send:
m=audio 20000 RTP/AVP 0
c=IN IP4 192.0.2.1
a=curr:qos e2e none
a=des:qos mandatory e2e sendrecv
2)UAS send:
m=audio 30000 RTP/AVP 0
c=IN IP4 192.0.2.4
a=curr:qos e2e none
a=des:qos mandatory e2e sendrecv
a=conf:qos e2e recv
3)UAC send back:
m=audio 20000 RTP/AVP 0
c=IN IP4 192.0.2.1
a=curr:qos e2e send
a=des:qos mandatory e2e sendrecv
4)UAS send back:
m=audio 30000 RTP/AVP 0
c=IN IP4 192.0.2.4
a=curr:qos e2e sendrecv
a=des:qos mandatory e2e sendrecv
what is the meaning of UAS's "a=conf:qos e2e recv"?
Does it mean UAS wants the UAC to send a updated SDP once the UAC's "send
direction" is ready?
and why UAC don't send "a=curr:qos e2e recv"?
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