Hi,

that's a little bit complicated. First you need to do port forwarding through the NAT for the proxy to receive outbound messages.

Second, you have to configure the proxy to use the public IP address and not the private one. See the advertise_address core parameter (used to build VIA). For record routing, use the record_route_preset() function.

regards, bogdan

fusheng.lin@gmail.com wrote:

Hello, Everyone:

I am newbie to openser. I would like to build a softwitch system by openser. It is work when client behind NAT, But it don’t work when the openser server behind NAT where I add a DNAT rule in the router.

Who can help me to address the issue ?

FYI:

CLEINT -------------------àRouter ++++++++++++++++++++++++++++++ Openser

202.99.1.23 202.99.3.5 192.168.0.1 192.168.0.2

I use sipphone software to connect 202.99.3.5(5060)

It don’t work …..

Jerry.

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