Firewall/NAT

Hello.
I am trying to connect an external PAP2T remote extension to an Elastix PBX located behind mOnOwall
Version       1.235 built on Thu Sep 4 21:49:29 CEST 2008 Platform    generic-pc.

It used to work when it was connected behind  my FAI ADSL box (Freebox) configured as a router with 5060 and 10000 to 20000 UDP port forwarded.

I get a static WAN IP address.  82.66.xx.xx

Afterward, I set FAI box in bridge mode.
In "RULES" I set in a first step UDP rules as "*" to allow all and will restrain to convenient ports later.
In NAT, I set Outbound from static internal adres of the PBX 192.168.0.xx to WAN IP.
Outbound WAN | UDP | 5060 or so on | 192.168.0.xx | same port as Ext. |

But I can' reach the external extension.

It seems that i miss something in RULES or NAT.
Any idea?
Thanks.

The problem was not in monowall.

 I forgot to change the gateway IP address in Elastix from the one of the ADSL box (192.168.0.254) to the LAN IP address of mOnOwall.

I'm bad! 


"Aides toi et le ciel t'aidera"