[SIPForum-discussion] Holding A call While It is an Audio/Video Call

[mehmet]

Hi All,

In Sip for only audio call, we use m=audio attribute which is sendrecv,
recvonly, sendonly, inactive values to put a call on hold with sending a
Re-Invite.
This was quite easy but, what if we use the video at the same time?
How we will indicate the remote party?Beucase audio and video may not be
inactive at the same time always.
for audio it is possible to send "inactive" while we send for video
"sendrecv" at the same time. If we put the call on hold, we will lose the
video but remote party only indicates that audio session will be stopped
but video session will go on.

Do you know any common discussions on internet on this issue or RFC
documents regarding to this information?
Could you please inform me about this? Beside this I think that everybody
is interested in this issue :)

Regards
Mehmet
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