This does not represent how SIP registration could be
used to support roaming. Have a look at ...
http://search.ietf.org/internet-drafts/draft-schulzrinne-sip-register-00.txt
to see how things might work.
Cheers,
Neil.
--
Ubiquity Software Corporation, UK http://www.ubiquity.net
rahul pande wrote:
>
> Hello all,
>
> It has been stated that proxy servers route and forward information
> according the Request-URI field.There is a doubt arising here, does it mean
> that they query the REGISTER or Location server according to the Request-URI
> field in the SIP Request.
>
> If the above is the case, then can someone please help me with the
> scenario described below ::-
>
> The user is in "xyz.com" domain and he is planning to go to "abc.com",
> but right now he does not know the guestid which he'll get at "abc.com"
> domain. He registers at the "xyz.com" SIP Registrar, with only the address
> of the proxy at "abc.com", by saying :
>
> REGISTER xyz.com
> To: [EMAIL PROTECTED]
> ........
> Contact : abc.com <the other networks proxy address>
>
> Now when he reaches the other domain, he gets a temporary SIP id "guest"
> for that domain and he registers in the "abc.com" register by saying :
>
> REGISTER abc.com
> To: [EMAIL PROTECTED]
> ...........
> Contact : [EMAIL PROTECTED] <the new id he has got>.
>
> Now any request coming to [EMAIL PROTECTED], will first go to "xyz.com" proxy
> and from there it will get proxied to "abc.com", where the proxy can search
> the REGISTER or Location with the help of "To" header field and contact the
> user accordingly.
>
> Please help me out, understand the scenario and please correct me if i
> have incorrectly assumed something.Please help me out. I am quite confused
> at the moment.
>
> Thanking you,
> rahul
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