Hello,
I had a very basic doubt with respect to muting a media stream using SDP.
>From the draft, in order to mute a stream, one should reINVITE and
set the connection attribute of the corresponding codecs to 0.0.0.0.
What i want to know is, in the 200 OK to such a reINVITE, what
does the callee place in the c= line. For eg.
INVITE sip:[EMAIL PROTECTED] SIP/2.0
.....
v=...
o=...
c=0.0.0.0
t=...
m=audio 6060 RTP/AVP 0
m=audio 6060 RTP/AVP 3
SIP/2.0 200 OK
.....
v=...
o=...
c=???????????
t=...
m=audio 7777 RTP/AVP 0
m=audio 7777 RTP/AVP 3
Should it be 0.0.0.0 or can it be the original IP on which it is
listening. Also, if individual codecs are muted (say c= attribute
of the GSM codec is set to 0.0.0.0), should the 200 OK response
reflect the c=0.0.0.0 against the (successfully) muted streams...
or can it retain the original c= line.
I would think that the very fact that the 200 OK has been sent
by the remote end means that muting succeeded. An explicit
c=0.0.0.0 line is not required in the 200 Ok. Am i right about this?
Regards,
Subhash Nayak
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