[Freeswitch-users] Trouble with P-Asserted-Identity header(s)

[Mathieu Rene]

Hi,

If you want to manually add the P-Asserted-Identity header, you must  
first set sip_cid_type to none. Or you could just set  
effective_caller_id_number to the number that should show up in PAI.

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200
mrene at avgs.ca




On 13-Mar-10, at 3:38 PM, Roland Hänel wrote:

> Hello,
>
> I'm developing a very simple call-through application using  
> FreeSWITCH, but currently
> I'm stuck because my provider requires me to send a 'P-Asserted- 
> Identity' header
> for outgoing calls if I want so signal an arbitrary caller ID in the  
> 'From' field.
>
> Setup is as follows:
>    - a-leg comes in from an external gateway
>    - dialplan dispatches the call to a perl handler script
>    - perl script looks like this (simplified as much as possible for  
> this description):
>
>             $num = "02222222";
>             $session->answer();
>             $session->setVariable("effective_caller_id_name", "The  
> Redirector");
>             $session->setVariable("sip_h_P-Asserted-Identity", '<sip:0123456789 at q-loud.net 
> >');
>             $session->execute("bridge", "sofia/gateway/mygateway/ 
> $num);
>
> The problem is now that FreeSWITCH correctly insertes a P-Asserted- 
> Identity header as
> set in the perl script. But there is already an existing P-Asserted- 
> Identity header by default,
> so I end up with two of them. This is the outgoing INVITE (b-leg):
>
> INVITE sip:02222222 at x.x.x.x SIP/2.0
> Via: SIP/2.0/UDP x.x.x.x:5080;rport;branch=z9hG4bKca3KS0cQj121N
> Max-Forwards: 63
> From: "The Redirector" <sip:01111111 at q-loud.net>;tag=DBSvZ9NZc750g
> To: <sip:02222222 at x.x.x.x>
> Call-ID: ecc19564-a84d-122d-5aa2-00515343ab02
> CSeq: 128071597 INVITE
> Contact: <sip:gw+mygateway at x.x.x.x:5080;transport=udp;gw=mygateway>
> User-Agent: FreeSWITCH-mod_sofia/1.0.trunk-16952M
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,  
> REGISTER, REFER, NOTIFY
> Supported: timer, precondition, path, replaces
> Allow-Events: talk, refer
> Privacy: none
> Content-Type: application/sdp
> Content-Disposition: session
> Content-Length: 244
> X-Port: 5060
> X-FS-Support: update_display
> P-Asserted-Identity: "The Redirector" <sip:01111111 at q-loud.net>
> P-Asserted-Identity: <sip:0123456789 at q-loud.net>
>
> [... sdp ...]
> Numbers are:
>
>     01111111       - the original caller (a-leg & b-leg From:)
>     02222222       - the number redirected to (b-leg To:)
>     0123456789    - the number my provider needs in P-Asserted- 
> Identity ('redirector's number')
>
> So, the INVITE is correct, it includes my P-Asserted-Identity  
> 0123456789
> line, but unfortunately it already includes another P-Asserted- 
> Identity 011111111
> line, and that breaks the setup at my provider.
>
> I really appreciate any help.
>
> Greetings,
> Roland
>
> --
> Roland Haenel
> QSC AG - http://www.qsc.de
>
>
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