Adam,

Whenever we are sending any mail to [email protected], its
sending another postmaster mail that the delivery is fail.

Thanks,
Nitin

On 18 March 2010 11:50, Adam Roach <[email protected]> wrote:

>  Please use [email protected] for questions on how to
> develop a SIP implementation. Do not cross-post questions to [email protected].
>
> /a
>
>
>
> On 3/18/10 9:41 AM, Nitin Kapoor wrote:
>
> Hello,
>
> I have the scenario  where the call is coming to SBC from my source UA and
> then I am forwarding the same call to redirect server to route the call.
>
> Here is the scenario.
>
> 1) Call come to my source UA and then I forwarded the call to redirect
> server with below REQUEST uri.
>
> Request-Line: INVITE 
> sip:[email protected]<sip%[email protected]>;user=phone
> SIP/2.0
> Request-URI: sip:[email protected]<sip%[email protected]>
> ;user=phone
> To: sip:[email protected] <sip%[email protected]>
> ;user=phone
> From: "Joe Gonzales" 
> <sip:[email protected]<sip%[email protected]>
> ;user=phone>;tag=3477742912-272141
> Contact: <sip:[email protected]:5060;user=phone;tgrp=100054CUST>
>
> 2) Now from here my *redirect server* replied me with below  uri in TO &
> FROM, but will multiple CONTACT header and on which I have the first CONTACT
> user part is with “1” and the others all are same but carry the “1” with
> rest of the user part.
>
> IP/2.0 300 Redirect
> To: <sip:[email protected] <sip%[email protected]>
> ;user=phone>;tag=a667a4b9fa6bfa35b
> From: "Joe Gonzales" 
> <sip:[email protected]<sip%[email protected]>
> ;user=phone>;tag=3477742912-272141
> Via: SIP/2.0/UDP 64.124.207.220:5060
> ;branch=z9hG4bKb96ce5413fe01d59101005f4ae3881c6
> Contact: <sip:[email protected] <sip%[email protected]>
> ;dtg=202583VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202393VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202562VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202405VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202163VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202203VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202525VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=201030VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202330VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202206VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=202329VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=201906VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=201908VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=201907VEND>,
> sip:[email protected] <sip%[email protected]>
> ;dtg=201905VEND>
>
> 3)However after sending the ACK my server again sent the another invite to
> my vendor with below REQUEST URI with “1” whereas in first CONTACT header
> from redirect was not carrying the “1” Contact:
> sip:[email protected] <sip%[email protected]>
> ;dtg=202583VEND.
>
> Request-Line: INVITE 
> sip:[email protected]<sip%[email protected]>SIP/2.0
> Request-URI: sip:[email protected]<sip%[email protected]>
>
> Whereby in TO header(of the same INVITE) I do not have the “1” in user part
> as below.
>
> To: sip:[email protected] <sip%[email protected]>
> Contact: sip:64.124.207.220:5060;tgrp=100054CUST
>
> And because of this my vendor is sending immediate 502 REJECTED.
>
> Status-Line: SIP/2.0 502 Rejected - Called number is not NATNUM
>
> Could anyone please help me on this, whether it is a correct or not,because
> as far as I know he user part of the Request uri would be checked first.
> User part of the Request uri is valid but the To header is different from
> Request uri  so now a validation for the User part of the To header will be
> performed and if the user part is found to be invalid then a  404 (Not
> Found) response should  sent back.
>
> Thanks,
> Nitin Kapoor
>
>
> _______________________________________________
> Sip mailing list  https://www.ietf.org/mailman/listinfo/sip
> This list is essentially closed and only used for finishing old business.
> Use [email protected] for questions on how to develop a SIP 
> implementation.
> Use [email protected] for new developments on the application of sip.
> Use [email protected] for issues related to maintenance of the core SIP 
> specifications.
>
>
>
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