Tutorials: SIP Trunk Setup (v3.0)

From the "PBX" tab, select the "External" tab, then click on "Trunks" from the drop-down menu.

General settings:

• Technology: Set it to SIP.

• Description: Enter "Voxtelesys_SIP" as the description.
• Profile: Set it with the Default SIP Profile.
• Codecs: Set the codecs in this order: ulaw,alaw,g729
• Trunk CID: Retrieve the number from Voxtelesys.

• Local Username: Enter the username you received from Voxtelesys.
• Remote Host: Enter the domain you received from Voxtelesys.
• Insecure: Set the port to Port,Invite
• Remote Username: Enter the username you received from Voxtelesys.
• Remote Secret: Enter the password you received from Voxtelesys.
• From Domain: Enter the domain you received from Voxtelesys.
• Register String: Enter the register string in this format: "Username:Password@Domain"

Update and your trunk will register!

To check you can go to PBX > Tools > Asterisk CLI > run the command: "sip show registry"