Create a SIP Account Trunk

A SIP Account is used for the other device to register with Yeastar P-Series Cloud Edition. In this way, Yeastar P-Series Cloud Edition and the other device are connected. This topic describes how to create a SIP Account Trunk on Yeastar P-Series Cloud Edition.


To connect a third-party device with Yeastar P-Series Cloud Edition by a SIP Account Trunk, you need to make sure that there is no duplicate extension numbers on both sides.


  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 General.
  3. In the Detailed Configuration section, configure the following settings:
    Note: You can leave the default SIP information or edit the information according to your needs.
    Setting Description
    Trunk Type Select Account Trunk.
    Transport Select a transport. The following options are supported:
    • UDP
    • TCP
      Note: By default, SIP TCP port is disabled. If you select this option, go to PBX Settings > SIP Settings > General > Basic, enable SIP TCP Port, then reboot the PBX to make it take effect.
    • TLS
    Username Enter a username for the SIP account.
    Password Enter a password for the SIP account.
    Authentication Name Retain the default authentication name or enter a custom one.
    Note: If the device to be connected does NOT support the Authentication Name field, select Use User Name as Account Trunk's Authentication Name.
  4. Optional: Click Advanced, Inbound Caller ID Reformatting, Outbound Caller ID, or SIP Headers to configure other settings.
  5. Click Save and Apply.

What to do next

  • Register the SIP Account Trunk on the third-party software or device. You need to provide the following information:
    • SIP Account Trunk details
    • Domain name of PBX
    • SIP registration port: The default port is 5060 on Yeastar P-Series Cloud Edition
  • 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.


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

If the SIP Account Trunk is successfully registered on the third-party software or device, the trunk status will show , which also indicates that the two devices are connected.

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