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Tutorials: SIP Trunk Setup (v2.1)

Learn how to set up a Voxtelesys SIP Trunk in Unifi Talk!

Step : Overview

Last Updated: 6/17/2025

Step : Log in to Unifi

Enter your log in information.

Step : Navigate to Unifi Talk

Unifi talk button

Click on the "Unifi Talk" button.

Step : Select the "Settings" icon > "System"

systems tab under the settings gear icon

Select the "Settings" icon, then click on the "System" tab.

Step : Select Add Third-Party SIP Provider

Click on the "Add Third-Party SIP Provider" button.

Step : Create the Voxtelesys SIP Trunk

provider name field

Enter the following:

Provider Name: Voxtelesys

Press the "Add Field" button to add custom fields.

Step : Add Custom Fields to your Configuration

image of add fields box with custom fields

Add the following custom fields:

proxy
realm
password
register
username
sip_cid_type
retry_seconds
expire-seconds

custom field filled out with information

Enter the following:

proxy: Retrieve the proxy from Voxtelesys. The proxy and realm address should be the same.
realm: Retrieve the domain from Voxtelesys. The proxy and realm address should be the same.
password: Obtain the password from Voxtelesys.
register: Type in "true" in this field.
username: Get the authorization/username from Voxtelesys.
sip_cid_type: Enter "rpd" in this field.
retry_seconds: 30
expire-seconds: 120

Step : Select Destination Countries

select countries button

Press the "Select Countries" button.

select destination country drop down menu

Select the United States and Canada from the drop-down menu.

destination countries configuration

Configuration should look like this:

Step : Add DID Numbers Manually or via a .TXT file

DID numbers fields to manually import numbers or auto import numbers

Add numbers manually by typing them in or press the "Import Numbers with .TXT File" button.

Step : Add IP Address Ranges (Required)

Important Note:
Please note these configuration settings can change, so we recommend contacting Voxtelesys Support. However, we will keep this guide up-to-date, please use below IPs.

IP address ranges