Jagan Mohan wrote:
> Yes, I agree with what you have said.
> But how should be behavior, if the device receiving the refresh request is a
> B2BUA?

You can do whatever you want, as long as each side of the B2BUA acts 
correctly as a UA. Having session timer running on one side does not 
obligate you to run a session timer on the other side. Or, you may have 
independent session timers on each side. Or you may try to link the 
session timers so that the B2BUA is acting more like a proxy. Which you 
do depends on your goals for your B2BUA.

        Paul

> Thanks,
> Jagan
> 
> On 3/29/08, Harsha. R <[EMAIL PROTECTED]> wrote:
>> You can increase the Min-SE header in the 200OK to the Session Refresh
>> request. AFAIK, this is allowed as per RFC 4028.
>> [ Min SE can only be increased, SE can only be decreased in any session
>> refresh interval negotiation]
>>
>>>
>>> Hi,
>>>
>>>    Could you please tell me what should a SIP entity do if it receives a
>>> session refresh request with Min-SE header value less than 90 seconds?
>>>
>>>
>>>
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