Create a SIP Trunk from a Template

Yeastar has tested leading ITSP across the globe and provides configuration templates for the tested and certificated ITSP. If a template is provided for your ITSP on the PBX, you can quickly create a SIP Trunk by the template.


  • Check if your ITSP is tested and supported by Yeastar from ITSP partner page.
  • Your PBX can connect to the ITSP.


  1. Log in to PBX web portal, go to Extension and Trunk > Trunk, click Add.
  2. In the Basic section, configure the following settings:
    • Name: Enter a name to help you identify it.
    • Trunk Status: Select Enabled.
    • Select ITSP Template: Select your country.
    • ITSP: Select your ITSP.

    The trunk details are displayed automatically in the Detailed Configuration section.

    • If the trunk type is displayed as Register Trunk, configure the following settings:
      • Username: Enter the username provided by the ITSP.
      • Password: Enter the password provided by the ITSP.
      • Authentication Name: Optional. Authentication name is used for SIP authentication. If the ITSP provides an authentication name, enter the name.
    • If the trunk type is displayed as Peer Trunk, leave the settings as default.
  3. Optional: If you have purchased DID numbers from the ITSP, click DIDs/DDIs tab to configure the DID numbers for the trunk.
    1. Click Add.
    2. In the pop-up window, configure the following settings:
      • DID/DDI: Enter the provided DID number.
      • DID/DDI Name: Optional. Enter a name to distinguish inbound calls by DID numbers.

        The name will be displayed on the called party's device when the DID number is dialed.

    3. Click Save.
    4. To add more DID numbers, repeat step a - c.

    For more information of DID configurations, see Configure DID Numbers on a Trunk.

  4. Click Save and Apply.


Go to Extension and Trunk > Trunk to check the trunk status on the trunk list page.

If the status shows , the trunk is registered successfully.

For more information of SIP trunk status, see SIP Trunk status.

What to do next

  • To receive inbound calls through the trunk, you need to select this trunk to one or more inbound routes. For more information, see Set up an Inbound Route.
  • To make outbound calls through the trunk, you need to select this trunk to one or more outbound routes. For more information, see Set up an Outbound Route.