Hi,
I have a doubt is it mandatory to haveSupported:100rel in INVITE request
while it already contains Require:100rel inINVITE.
2. One more question is it possible that a Caller cannot sendPRACK for a
Reliable Provisional Response(RPR) as it contains Require:100relbut no
Supported:100rel in its INVITE request.
I am asking the second question because if that thesame capability is
present in Callee so whether after receiving any INVITEwith Require:100rel ,
whether callee will be not be able to send RPR.
Thanks
SOURAV DHAR CHAUDHURI
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