Hi Sunil,

Excerpt from RFC#4028, Section 8.1 is as follows:
"If the value of the Session-Expires header field is lower  than the 
value of the Min-SE header field (possibly because the proxy  increased 
the value of the Min-SE header field, as described below),  the proxy 
MUST increase the value of the Session-Expires header field to make it 
equal to Min-SE header field value. "

HTH,
Poojan.


Jamkhandikar, Sunil wrote:

> 
>Hello all,
> 
>How should Proxy behave in the scenario when it receives request with
>Session-Expires value smaller than Min-SE value in the request.
> 
>          UA                               Proxy
>                                             (Min-SE: 90)
>                                             (Session-Expires: 1800)  
>|                                   |           
>|---------INVITE--------------->|
>|Min-SE: 110                       |
>|Session-Expires: 100             |
>|                                   |
> 
>Thanks,
>Sunil
>
>
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