[OpenSIPS-Users] Parse initial INVITE Request-URI

[Vlad Paiu]

Hello,

Who is doing the actual forward ? Is it a SIP proxy / entity located 
before OpenSIPS ?

Just by looking at the INVITE message you've posted, the originally 
dialled number ( 8585554444 ) is located in the TO username ( readable 
via the $tU variable in the script ).

Best Regards,

Vlad Paiu
OpenSIPS Developer
http://www.opensips-solutions.com

On 12.12.2014 03:57, discodog62 at aol.com wrote:
> Good day to all.
> Here is what I am trying to do and I am hoping someone can set me in 
> the right direction.  I am using Opensips 1.11.2
>
> I have an inbound SIP call.  This call is actually a forward.  When I 
> dial the number 8585554444 it is forwarded to 8585554444.
>
> Dialed number: 8585554444 forwards to 18552223333
>
> When the call comes in Opensips this is my initial invite...
>
>
> INVITE sip:+18552223333 at 111.222.333.444:5060 SIP/2.0
> Via: SIP/2.0/UDP 11.11.11.11:5060;branch=z9hG4bK08B4ca619b00ce6405c
> From: <sip:+18586669999 at 11.11.11.11:5060;isup-oli=0>;tag=gK084a85fd
> To: <sip:8585554444 at 111.222.333.444:5060>
> Call-ID: 537432242_53736858 at 11.11.11.11
> CSeq: 17719 INVITE
> Max-Forwards: 93
> Allow: INVITE,ACK,CANCEL,BYE,PRACK,UPDATE
> Accept: application/sdp, application/isup, application/dtmf, 
> application/dtmf-relay,  multipart/mixed
> Contact: <sip:+18586669999 at 11.11.11.11:5060>
> P-Asserted-Identity: <sip:+18586669999 at 11.11.11.11:5060>
> Diversion: <sip:+18585554444 at 11.11.11.11:5060>;privacy=off;screen=no; 
> reason=no-answer; counter=1
> Supported: 100rel
> Content-Length:  200
> Content-Disposition: session; handling=required
> Content-Type: application/sdp
>
> I see that the initial INVITE shows the toll free number that the call 
> was forwarded to but the TO: shows the original dialed number.
> My question is can I grab the phone number from the initial INVITE?  I 
> have goggled around and tried using the search but it just returns a 1 
> or 0 for a match.  I know once I am able to grab the number from the 
> INVITE can then update the TO:field.  I have dumped out almost all of 
> the vars from Opensips and none of them show me the phone number from 
> the initial INVITE.
>
> Any help is appreciated.
>
> Thanks,
>
>
> James
>
>
>
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