[Users] Possible to use subst() to alter first line of INVITE?

Atle Samuelsen clona at cyberhouse.no
Thu Apr 12 10:06:33 CEST 2007


Hi,

I'm not useing OpenSER much, but as far as it has'nt changed. try the
function subst_uri();


-Atle

* Leif Madsen <leif.madsen at gmail.com> [070412 09:18]:
> Evening all!
> 
> I'm trying to use subst() to alter the first line of an INVITE I'm
> sending to a remote Asterisk box, although I have been unable to get
> this working. Perhaps I need to use a different function?
> 
> The INVITE I'm working with looks like (IPs have been changed to
> protect the innocent):
> 
> INVITE sip:s at 192.168.1.250 SIP/2.0
> Record-Route: <sip:192.168.1.190;lr;ftag=as62d28c09>
> Via: SIP/2.0/UDP 192.168.1.190;branch=z9hG4bKcce2.b907e716.0
> Via: SIP/2.0/UDP 192.168.1.147:5060;branch=z9hG4bK5a287301;rport=5060
> From: "lmadsen2#lmentinc" <sip:lmadsen2#lmentinc at 192.168.1.147>;tag=as62d28c09
> To: <4166289921 at switch1>
> Contact: <sip:lmadsen2#lmentinc at 192.168.1.147>
> Call-ID: 791d9cc101c5cbdd2896c0d357cf644c at 192.168.1.147
> CSeq: 102 INVITE
> User-Agent: Asterisk
> Max-Forwards: 69
> Remote-Party-ID: "lmadsen2#lmentinc"
> <sip:lmadsen2#lmentinc at 192.168.1.147>;privacy=off;screen=no
> Date: Thu, 12 Apr 2007 05:00:26 GMT
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
> Supported: replaces
> Content-Type: application/sdp
> Content-Length: 240
> 
> 
> I have two subst() I've been playing with. This one works which alters
> the To: line in the INVITE:
> 
> subst('/^To: (.*)sip:[^@]*+(.*)$/To: \1$hdr(X-DID)\2/g');
> 
> This one does not, which I would like to alter the INVITE
> sip:s at 192.168.1.250 SIP/2.0 of the header. This is the very first line
> in the INVITE.
> 
> subst('/^INVITE (.*)sip:[^@]*+(.*)$/INVITE sip:$hdr(X-DID)\2/ig');
> 
> I tested the regex online as well, and it seems to work.
> 
> Anything I'm missing? Is there another function I can use to alter the
> line I want, or am I up poop creek?
> 
> Thanks!
> 
> -- 
> Leif Madsen.
> http://www.leifmadsen.com
> http://www.oreilly.com/catalog/asterisk
> 
> _______________________________________________
> Users mailing list
> Users at openser.org
> http://openser.org/cgi-bin/mailman/listinfo/users




More information about the Users mailing list