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

[Raghu Narasimhan]

doesn't everything go haywire then ? un-regged user makes call.. who
gets charged ?

On 5/1/07, Michael Cohen <reliagility at gmail.com> wrote:
> Hi all.  It is my understanding that the purpose of registration is so that
> the registered UA can receive incoming calls.
>
> There is nothing to prevent an unregistered user from calling a registred
> user.
>
> In fact, if a user-agent does not plan on receiving calls there is no reason
> for it to be registered.
>
> If you dont want an _unauthorized_ user-agent to be able to call a
> registered user-agent, you can  turn on invite authentication, if your proxy
> supports it.
>
> -Mike
>
>
> On 5/1/07, santosh patra <skp10_9559 at yahoo.co.in> wrote:
> >
> >
> >
> > Yes Raghu...He should get 403 client error but in this case call is
> getting eastblished.
> > And As far as my experience says call should not established and That's
> why basically I asked is there any such there implementation, which case I
> have not come across?
> >
> >
> > ----- Original Message ----
> > From: Raghu Narasimhan <raghu.united at gmail.com>
> > To: raman kumar < ramank24 at gmail.com>
> > Cc: santosh patra < skp10_9559 at yahoo.co.in>; discussion at sipforum.org
> > Sent: Tuesday, 1 May, 2007 1:07:27 PM
> > Subject: Re: [SIPForum-discussion] Issue in Initiation/Termination of call
> with De-Registered User
> >
> >
> >
> > 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
> > > >
> > > >
> > > >
> > > >
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> > >
> >
> >
> > --
> > Yours Truly
> >
> > Raghu Narasimhan
> >
> >
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> >
>
>


-- 
Yours Truly

Raghu Narasimhan