[SIPForum-discussion] Issue in Initiation/Termination of call with De-Registered User

[Raghu Narasimhan]

if de-registered user tries to initiate a call, should he not get a
403 Forbidden ?

On 5/1/07, raman kumar <ramank24 at gmail.com> wrote:
> User A is sending his contact in the contact header but to know the
> contact of the called party eg. user B in your case, it should be
> registered.
>
> See the Invite message generated by user A you will notice even
> unregisterd it is sending its local contact in the contact header.
>
>
> On 30/04/07, santosh patra <skp10_9559 at yahoo.co.in> wrote:
> > Hello All
> >
> > I am facing problem in the following scenario...So the Scenario is,
> >
> > User A and B has registered in SIP server and expire header is 4 hour i.e.
> > 14,600 seconds.
> > User A has been deregistered with Expiry:0.
> >
> > case1:De-registered User A is trying to initiate a call to registered User B
> > and the call is getting success means User B is getting the call and Media
> > path has also been estabilshing, Is the call should sucessful? If yes, then
> > how?
> >
> > but in Case2: when User B is trying to call De-registered user A then call
> > is not successful and getting 4xx error response.
> >
> > Here I am getting confused that when User A has deregistered from Registrar
> > then there is no information of User A in Registrar and How User A is able
> > to initiate a call with out registration?
> >
> > But RFC-3261 doesn't talk about initiation and Termination of call after
> > deregistering the user.
> > If any RFC/standard says about such scenarios then please let me know.
> >
> > Please help me on this Scenario.
> >
> > Thanks in Advance
> > Santosh
> >
> >
> >
> >
> >       Send a FREE SMS to your friend's mobile from Yahoo! Messenger. Get it
> > now at http://in.messenger.yahoo.com/
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-- 
Yours Truly

Raghu Narasimhan