Hi,
Is there a convention how SIP video terminal should do call hold?
Case-1: [Hold for both audio and video
streams]
c=IN IP4 a.b.c.d
a=sendonly
m=audio
...
m=video
c=IN IP4 p.q.r.t
a=sendonly
Case-2: [Hold for audio stream only]
c=IN IP4 a.b.c.d
a=sendonly
m=audio
...
m=video
c=IN IP4 p.q.r.t
a=sendrecv
Case-3: [Hold for video stream only]
c=IN IP4 a.b.c.d
a=sendrecv
m=audio
...
m=video
c=IN IP4 p.q.r.t
a=sendonly
Questions:
1. Is the hold specified for both audio and video streams or one of them?
2. If case-2 and case-3 are possible, should the call be considered as
hold?
Thanks in advance.
Regards,
JP
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