[OpenSIPS-Users] bad Contact when registering from 192.168.1.x subnet

Bogdan-Andrei Iancu bogdan at voice-system.ro
Tue Dec 1 23:26:49 CET 2009

Hi Jeremy ,

A bit strange what you describe there......

first of all, do you do any nat traversal processing in your script? or 
does your UA uses STUN ?


jerecell wrote:
> Hi,
> The Contact address used by OpenSer (1.1.0) seems to be incorrect -- but
> only when I REGISTER from a machine in the 192.168.1.x subnet.  Note that my
> topology is:
> user agent ( <---> home router <----> internet <---> OpenSer
> For example, I see in the 200 OK to my REGISTER, req_src_ip= (in
> the Warning header).  Also, INVITEs sent *to* this endpoint have the private
> IP address as their target address (i.e. the first line) after
> they pass through OpenSer.  This causes calls to fail.  However if I simply
> change my home router to use 192.168.0.x as its subnet, then I see my public
> IPs showing up in both places (and calls work).
> So this seems to be either a bug or a configuration issue.  Does anyone have
> any idea where to look first?
> Thanks,
> Jeremy

Bogdan-Andrei Iancu

More information about the Users mailing list