Dialplan
then click on Outbound Routes
+ ADD
Gateway: Voxtelesys
(This is the Gateway/SIP Trunk you created earlier.)
Dial Plan Expression: (See below)
^\+?(\d{11})$
^\+?1?(\d{10})$
^(011\d{9,17})$
(^911$|^922$)
Save
and the Outbound Routes have been added