Re: [Sipping] how to response the offer

["Christer Holmberg" <christer.holmberg at ericsson.com>]



Hi,

 

I think A can answer however he wants.

 

However, by using the SDP o- line one can explicitly indicate that nothing has changed from the previous SDP, so normally I guess the answer then wouldn't be modified either.

 

Regards,

 

Christer

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From: sipping-bounces at ietf.org [mailto:sipping-bounces at ietf.org] On Behalf Of ???
Sent: 19. elokuuta 2009 10:29
To: IETF Sipping List; sip-implementors at lists.cs.columbia.edu; discussion at sipforum.org
Subject: [Sipping] how to response the offer

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

�

�

�

�

--
msn:yongguangsun at hotmail.com