Upon activating your account, in your portal you will find the following information for the registration: Username password domain Then depending our your P.B.X. system you can use the below setup to configure the register SIP Trunk to your P.B.X. username= usernametype=friendsecret=passwordnat=yesinsecure=invite,porthost=domain_namedtmfmode=rfc2833disallow=allcontext=from-trunkcanreinvite=noallow=g729 Register: username:password@domain_name