Setup a Voxtelesys SIP Trunk on a Grandstream PBX
Add outbound routes to your Grandstream PBX
Add extensions to your Grandstream PBX
Bulk import extensions into your Grandstream PBX
Add inbound routes to your Grandstream PBX
Bulk import inbound routes into your Grandstream PBX
Add/Create a call queue for your Grandstream PBX