> Section 8.3 of RFC 4028 says that proxy 
> may free any resources associated with the 
> call on session expiry.
> 
> I want more clarification on what we should 
> do on a session expiry when proxy is behaving 
> as transactionstateful. 
> 
> The behavior in RFC 4028 tells more of proxy 
> that is behaving as callstateful.

Because a non call-stateful (non dialog-stateful) proxy does not
record-route, it will not observe subsequent requests on the dialog.  Thus
the RFC does not really apply to transaction-stateful proxies which are not
also acting call-stateful.


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