Hi Jonathan,

It will help if you could post the entire SIP flow for the call - to see the direction of the SIP requests (if TO and FROM are swapped) and the values for these headers (when sent out by UA's).

Regards,

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

On 07.04.2016 17:06, Jonathan Hunter wrote:

Hi Guys,

Using opensips 2.1 and when I use uac_replace_from to do the following on an initial invite;

uac_replace_from("anonymous","sip:[email protected]");

This is on anonymous calls, where I engage this only when PAID and Privacy:ID are present.

Once the Call establishes, for some reason, when opensips gets the ACK which contains;

From: "anonymous" <sip:[email protected]>;tag=K4tDg08X414XQ
To: <sip:[email protected]>;tag=3a197c15

When proxying it onwards it changes the From and To address to;


From: "anonymous" <sip:[email protected]>;tag=K4tDg08X414XQ
To: <sip:cifl\016o\023}i\020,](\005#&xa.,(ecpu$z\016\a\027\000V\000\aO\033\fe.co.uk>;tag=3a197c15

I can only see uac_replace_from being engaged once, and Im not using any To replace commands.

Has anyone seen this issue before as its causing issues for us.

Thanks

Jon


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