Tutorials: SIP Trunk Setup

This guide will help you to configure a Voxtelesys SIP Trunk on Issabel PBX. Issabel PBX is a fork of the older Elastix PBX, this guide will work for configuring Elastix as well.

Under the "PBX" tab, select "PBX Configuration" from the drop-down menu.

On the "PBX Configuration" page, select the "Trunks" option.

Click on the "+ Add SIP Trunk" button.

• Trunk Name: Voxtelesys
• Outbound CID: Number from Voxtelesys

Dialed Number Manipulation Rules:

• Match Pattern 1: NXXNXXXXXX
• Match Pattern 2: 1NXXNXXXXXX

• Trunk Name: OB_Voxtelesys

PEER Details:

• username=Username from Voxtelesys
• secret=Password from Voxtelesys
• host=Domain/host from Voxtelesys
• type=friend
• insecure=port,invite
• qualify=yes
• disallow=all
• allow=ulaw&alaw

• USER Context: IB_Voxtelesys

USER Details:

• qualify=yes
• Register String: Username:Password@Domain

Submit and Apply, then your trunk will register!

To check you can go to PBX > Tools > Asterisk CLI

Enter the command:

sip show registry