[Serusers] rtpproxy for private networks without NAT and way outside

[Jan Janak]

First of all I would recommend you to split your setup in two parts and
test them separately. First of all make signalling work (ignore
the contents of SDP) and make sure that you are able to send INVITE and
receive responses either to local phones or phones/proxies in the public
internet.

For that you will have to enable mhomed=yes and make sure that you are
record routing all messages that go outside.

You need to make sure that Via and Record-Route of outgoing messages contain thepublic IP (mhomed should take care of it) of your server.

Speak up once you have signalling working and we can continue with RTP
proxy setup.

  Jan.

On 24-11 00:21, Gregory Sandul wrote:
> Hi.
> Assume I have phones in private network 10.0.0.0/24.
> There is no NAT server in this network, no default
> gateway, no way to outside world (except SER). The
> only server phones "know" about is SER. 
> SER has 2 NIC's one in 10.0.0.0/24 network ip
> 10.0.0.17 and other in "real" word 201.0.X.X/24. There
> are some phones (or may be SIP servers) in "real"
> world. 
> I want to force rtpproxy for outside world and do not
> for private networks.
> 
> I made some test and it fails.
> If I contact from private network to outside world the
> Via message contains private SER ip 10.0.0.17 and
> phone which I need to contact does not know how to
> contact SER. Also contact in SDP message contains
> private ser IP 10.0.0.17 because I have forced
> rtpproxy.
> 
> As I understand, it it necessary to modify SDP and SIP
> messages (contact and Via) in a config script while
> processing requestst after forcing rtpproxy. 
> Is it possible? 
> May be I missed something, but I have not founded such
> functions.
> 
> Regards,
> Greg.
> 
> 
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