Hello everyone

i need some help with a gateway, i can receive calls from it because i can use it as a user so i can see it by sofia status profile internal
but when i try to make a call to the PSTN like this


<action application="bridge" data="sofia/internal/userGateway%{domain}^$1"/>

the gateway doesn't dial the number on variable $1

so when to do like this

<action application="bridge" data="sofia/internal/$1@<gateway_IP>"/>


the gateway connect the calls to the PSTN

my problem its that the gateway does not have an static IP and i want to know
if it is possible to make calls through this gateway if
it has a variable IP, and how to do it if so;

the gateway uses SIP accounts to register to FS so i think it might be
possible to know the IP's gateway by using one of the registered extension or tell fs to use the ip of one user for the gateway set up?


Anyone has ideas or knows how to do this?, help is greatly appreciated!