Tutorials: How To Add A Registered SIP Trunk in Grandstream UCM63XX
Required Access: Grandstream
Table of Contents:
- Navigate to Grandstream
- Navigate to VoIP Trunks
- Add Registered SIP Trunk
- Advanced Settings
- Apply Changes
Last Updated: 7/14/2025
Navigate to your Grandstream dashboard
Click "Extension/Trunk"
Click "VoIP Trunks"
Click "Add SIP Trunk"
Click "Peer SIP Trunk"
Change to "Register SIP Trunk"
Click the "Provider Name" field.
Select "Voxtelesys (Register only)" from the drop-down.
Click the "Username" field.
Enter your DID from Voxtelesys.
Click the password field. Enter your SIP registration password from the Voxtelesys Portal
Click the "AuthID" field. Enter your SIP Registration User Name from the Voxtelesys Portal.
Click "Save"
Click on the edit icon to edit the trunk.
Click "Advanced Settings"
In the second box in the Codec preference section, click the checkbox next to "G.729"
Click on the up arrow to move G.729 above G.726.
Click "Save"
Click "Apply Changes"
