[SIPForum-discussion] SIP reliable response ..

[Murali Vuppandla]

When there is a Required/Supported header contains 100rel tag  in INVITE
then UAS will send a reliable response, after which it has to be
acknowledged with PRACK. But when it comes to the actual content of the
message, what makes Reliable responses different from normal SIP provisional
responses. 

 

Means to say what other extra information does it carry ???  Please clarify
me.

 

Regards,

Murali.

 

 

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