Hello Rik,

The simplest approach is :
1) get into a variable the body of the Refer-To hdr
2) run a subst over the variable to make the change
3) remove the Refer-To hdr
4) add a new one with the body from the variable

:)

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 13.05.2014 15:41, Rik Broers wrote:

Hi,

I'm working on a setup with opensips+rtpproxy as a Lan-Wan bridge.

The basic scenario's work but I keep having trouble with a refer (transfer).

Refer is initiated on the Lan side, and relayed to a public Asterisk machine. Asterisk is then having trouble sending out the invite to the transfertarget. (this never happens)

After looking around in asterisk I think I have it narrowed down to the Refer-To header containing a LAN-IP. (seems obvious J)

This header contains a lot of other stuff.. Refer-To: \"CTI+\"<sip:[email protected];user=phone?Replaces=x-ippbx-transferid%3Bto-tag%3D144%3Bfrom-tag%3D144>

How should I rewrite this header? Replacing the IP but keep all the other information.

Vriendelijke groet,

*Rik Broers*
Voice Engineer



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