[OpenSIPS-Users] Opensips B2B + RTP proxy in bridged mode

Stefano Pisani stefano.pisani at omnianet.it
Mon Dec 13 11:54:16 CET 2010

Could you post your cfg?

Il 13/12/2010 11:48, beci345 ha scritto:
> Hello to all,
> i'm using the Opensips as proxy in multihomed mode (one public IPaddr and
> one internal), with relaying RTP traffic through RTP proxy in bridged mode:
> UA --->OpenSipsIP1-OpenSipsIP2 ---->UA (signalling)
> UA---->RTPproxyIP1-RTPproxyIP2------->UA (RTP), RTP proxy in bridged mode.
> Everything works OK, SDP information is modified correctly in subsequent
> INVITE messages (using the force_rtp_proxy("ei")):
> UA (SIP INVITE, SDP Connection information IPofUA) --->  Opensips (SIP
> INVITE, SDP Connection information IP2)---->  UA
> However, i have problem if i would like to extend the configuration with
> topology hiding functionality - byusing the B2B modules.
> By calling the scenario with b2b_init_request("top hiding"), Opensips fires
> out the INVITE with wrong SDP Connection information (IP of calling UA)
> towards the called party.
> I was not able to set the SDP in correct way...
> I've tried tricks from textops module, not successful. Is there anybody who
> could advice how to fix it, or is this configuration possible? Im' using
> OpenSIPS 1.6.2.
> Thanks and regards,
> Bela

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