Release an Extension from a Provisioned IP Phone

When an employee resigns or doesn't need the device that is currently bound with the employee's extension, you can release the employee's extension from the device. This topic describes how to release an extension from a provisioned device.


  1. Release the extension from previous phone.
    1. Log in to PBX web portal, go to Extension and Trunk > Extension, edit a desired extension.
    2. Click the Phone tab.
    3. Click Release From Phone and Yes.
    4. Click Save.

      The extension is released from the phone.

  2. Reprovision the phone to de-register the extension.

    Go to Auto Provisioning > Phones, click beside the phone from which you want to release extension.