[OpenSIPS-Users] Topology hiding one side

Bogdan-Andrei Iancu bogdan at opensips.org
Mon Jun 18 10:38:02 CEST 2012


No, there is no way to do one side topology hiding right now.

What you can do is to use dialog module (with topology_hiding()) and 
copy (for requests from UAC to proxy) the contact info (that will be 
hidden by opensips) in a non standard header (like X-Contact), to that 
proxy will see the original contact from UAC.


Bogdan-Andrei Iancu
OpenSIPS Founder and Developer

On 06/17/2012 04:03 PM, hart323 wrote:
> Hello all!
> I wonder can I make Opensips to hide one side (public) from the inside
> (private) at the same time I want inside servers to have information about
> UAs on the public? Some sort of topology hiding on one side.
> UACs(public)<->  (public)Opensips(private)<->  SIPproxy(Registrar,pstn
> gw,...)
> 1) SIPproxy must see end UACs CONTACT field
> 2) Opensips must hide all the private staff (RECORD-ROUTES, VIA,... ), so
> that UACs see like if they talk only to Opensips.
> As far as I could understand Dialog topology_hiding() and B2BUA module, I
> can't make that scenario with those commands? I need to manually "fix"
> headers with private info?
> Any thoughts?
> Thanks!
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