[Users] Possible to use subst() to alter first line of INVITE?
leif.madsen at gmail.com
Thu Apr 12 09:18:42 CEST 2007
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
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
<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
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?
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