[Users] Re: openser with nathelper/rtpproxy as SBC

Ovidiu Sas sip.nslu at gmail.com
Thu Jun 8 03:04:33 CEST 2006


Can anyone shed some light on how openser should poke rtpproxy in
order to get the proper IP address when a bridged rtp session is
established?


thx,
-ovi

On 6/5/06, Ovidiu Sas <sip.nslu at gmail.com> wrote:
> Hi all,
>
>
> I'm trying to get openser to act as an SBC using the mediaproxy module and
> the rtpproxy (built from the cvs).
> openser is configured to run in a multihomed mode.
> I'm starting rtpproxy in debug mode: rtpproxy -f -l 10.110.1.174/10.111.5.15
> The rtpproxy is binding to both IPs.
>
> When an INVITE is received on the 10.110 interface, I call
> force_rtp_proxy().
> Regrdless of the "i" or "e" parameter that I pass to the force_rtp_proxy(),
> the rtpproxy is replying with the same IP.
>
> output from rtpproxy if force_rtp_proxy("i"):
>
> received command "UI 4a2fabe1-24c7fe03 at 10.110.50.4 10.110.48.7 10046
> 60e4ff4a-soma;1"
> new session 4a2fabe1-24c7fe03 at 10.110.50.4, tag 60e4ff4a-soma;1 requested,
> type strong
> new session on a port 35000 created, tag 60e4ff4a-soma;1
> pre-filling caller's address with 10.110.48.7:10046
> sending reply "35000 10.110.1.174
> "
>
>
> output from rtpproxy if force_rtp_proxy("e"):
>
> received command "UE 44709fe7-423307f6 at 10.110.49.134 10.110.48.7 10012
> 1f713156-soma;1"
> new session 44709fe7-423307f6 at 10.110.49.134, tag 1f713156-soma;1 requested,
> type strong
> new session on a port 35002 created, tag 1f713156-soma;1
> pre-filling caller's address with 10.110.48.7:10012
> sending reply "35002 10.110.1.174
> "
>
> The IP address sent out in the outgoing INVITE is 10.110.1.174 instead of
> 10.111.5.15.
>
>
> Is this the expected behaviour from the rtpproxy?
> Do I need to pass other params to the force_rtp_proxy() function?
>
>
> Regards,
> -ovi
>




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