how to response the offer

孙永光 <[email protected]>
Newsgroups gmane.ietf.sipping,gmane.ietf.sip-implementors
Message-ID <[email protected]>
 Dear All

   I have a question about How to respond the offer , the scenario is as
following

A call B , and the offer and answer is ok , after a while , A receives a B
's REINVITE which includes the same SDP as it just answered before

now, How does A respond it ?

does A  must respond  the B's new offer  with   the same SDP as the offer it
sent previously?

could you give some advice ?

Thanks

SunYongGuang





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msn:[email protected] <msn%[email protected]>

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