Learning Hub / Tutorials / Ubiquiti Unifi / SIP Trunk Troubleshooting (v2.1)FAQs

Tutorials: SIP Trunk Troubleshooting (v2.1)

This tutorial shows you how to troubleshoot your Voxtelesys SIP Trunk in the Unifi Dream Machine Pro and the Terminal CLI.

This tutorial shows you how to troubleshoot your Voxtelesys SIP Trunk in the Unifi Dream Machine Pro and the Terminal CLI.


Last Updated: 7/17/2025

unifi log in



Enter your credentials.

unifi os icon under the words dream machine pro




Click on the "Unifi OS" icon.

unifi os with about this console tab in the right side

From the Unifi OS, click on the "About this Console" tab.

dream machine pro about us page with a red box around the gateway IP



From here you will see the Gateway IP.

console setting tab in unifi os



Click on the "Console Settings" tab to enable and set up a password for SSH.

ssh enabled underneath the advanced setttings section




Enable SSH by checking the box under the "Advanced" settings, then click on the "Change Password" button to set up a password.

SSH password fields



Type in the SSH Password you will use in the Terminal CLI.

Click on "Enable" when you are finished.

Navigate to the Terminal CLI

Enter this command to log in to the Dream Machine Pro from the Terminal CLI:

ssh root@UDM-IP

Substitute UDM-IP with the Gateway IP found in the "About this Console" page.

ssh login

Enter the SSH password configured in the Advanced settings of the Dream Machine Pro.

SSH password entered in the terminal CLI

Launch the FreeSWITCH CLI:

fs_cli
ss_cli entered

Enter the following command to verify that your SIP Trunk is registered:

sofia status profile
sofia status profile
Learning Hub / Tutorials / Ubiquiti Unifi / SIP Trunk Troubleshooting (v2.1)FAQs