How i allow traffic from server

i have serve with @ ip

and server how will make transfert calls to may serveur have a problem if he maka transfert i find it busy so
hi tell me to use yyy.yyy.yyy.yyy to allow traffic from our servers

so how i do it ???

Please provide the dialplan you are trying to use and a verbose console log showing it failing.

At the moment I can’t work out what you are trying to do.