[SIPForum-discussion] Call Forwarding

[Rohan Almeida]

The to header will contain user C's addresss.
C will identify the forwarding number using the diversion header.

regards,
Rohan Almeida

On Thu, Aug 25, 2011 at 11:59 PM, caglar er <beratcaglar at yahoo.com> wrote:

>  although mainly destination address is determined from R-URI header, to
> header can be same with R-URI or not. In that case if you are coming from a
> PSTN network and usıng ISUP to SIP conversions, according to all specs
> Q1912.5 and-or 3GPP or RFC s , CDPN from ISUP side mapped to R-URI and To
> header. Some spcecific situations can occur but the configurations can be
> done for this for aligning R-URI and To header.
>
> Shortly, most cases I am expecting C number in  to Header.
>
>  Cheers.
> Berat Caglar ER
>   *From:* Gopalakrishnan A.N <saigop at gmail.com>
> *To:* Aysegul Donmez <aysdonmez at yahoo.com>
> *Cc:* "discussion at sipforum.org" <discussion at sipforum.org>
> *Sent:* Tuesday, August 23, 2011 8:25 PM
>
> *Subject:* Re: [SIPForum-discussion] Call Forwarding
>
> If i am not wrong. In the forwarded invite the To header will be C's user
> address. Any other inputs would be appreciated.
>
>
>
> On Tue, Aug 23, 2011 at 8:11 PM, Aysegul Donmez <aysdonmez at yahoo.com>wrote:
>
>
> Hi,
>
> At the call forwarding scenario:
>
> User-A calls User-B. User-B forwards all incoming calls (call forwarding
> unconditional) to User-C.
>
> First the INVITE message contains:
>
>    - Request URI: User-B
>    - To: User-B
>    - From: User-A
>
> Then it changes to
>
>    - Request URI: User-C
>    - *To: User-B or User-C*
>    - From: User-A
>    - Diversion header: User-B
>
>
> My question is does "To header" of the changed INVITE contains the
> forwarded user's number(User-C) of the called number(User-B)?
>
> Thanks very much for your help,
>
> Aysegul
>
>
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>
>
> --
> Thank you  with regards,
> Gopalakrishnan A.N.
> VoIP call - sip:saigop at gtalk2voip.com
>
>
>
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