Hi,
We have different interpretation regarding to the "c=" line definition in
RFC 2327.
Session description
c=* (connection information - not required if included in all media)
Media description
c=* (connection information - optional if included at session-level)
I think "c=" line is optional when SDP has no "m=" line, since I don't see a
use case to present connection info when there's no media description. But
some people think the above definition indicates the "c=" line is mandatory
and must be present in either session or media level in any case.
Could anyone tell me which interpretation is correct?
Thanks,
Yong
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