Manually Register Grandstream IP Phone with Yeastar P-Series Cloud Edition

This topic takes Grandstream GPR2602 (firmware: as an example to introduce how to manually register an extension on a Grandstream IP phone.

Supported devices

The Grandstream IP phones that are compatible with SIP (Session Initiation Protocol).


Step 1. Gather registration information on Yeastar PBX

Log in to PBX web portal, gather the following information for extension registration.

Information Instruction
Extension information Go to Extension and Trunk > Extension > > User > Extension Information, note down the following information:
  • Extension Number
  • Registration Name
  • Registration Password

Transport protocol Go to Extension and Trunk > Extension > > Advanced > VoIP Settings > Transport, note down the transport protocol of the extension.

In this example, the extension use UDP transport protocol.

  • If the extension uses TCP transport protocol, make sure that the SIP TCP port is enabled on the PBX, or the registration would fail (Path: PBX Settings > SIP Settings > General > Basic).

  • If the extension uses TLS transport protocol, make sure that the TLS is enabled on the PBX, or the registration would fail (Path: PBX Settings > SIP Settings > TLS).

PBX domain name The domain name of the PBX.

In this example, we use the PBX domain name for extension registration.

SIP registration port The SIP registration port is 5060.

Step 2. Register extension on Grandstream IP phone

  1. Log in to the web interface of the Grandstream IP phone.

    1. In the browser's address bar, enter the IP address of the IP phone.
    2. Enter the username admin and the associated password.
    3. Click Login.
  2. On the left navigation bar, go to Accounts > Accounts, and select an available account.

  3. In the General Settings tab, complete the registration configurations.

    • Account Active: Select the checkbox to activate the account.
    • Account Name: Enter the name associated with the account, which will be displayed on the phone screen.
    • SIP Server: Enter the domain name of the PBX along with the SIP registration port.
    • SIP User ID: Enter the extension number.
    • SIP Authentication ID: Enter the registration name of the extension.
    • SIP Authentication Password: Enter the registration password of the extension.
  4. In the Codec Settings tab, remove unnecessary codecs for the account.
    Note: By default, Grandstream IP phone enables all available codecs for its accounts, which may lead to issues with outgoing calls. Therefore, it is recommended to remove unnecessary codecs for the account that has been registered with the PBX extension.

  5. Click Save and Apply.


The extension is registered successfully. You can check the registration status on Status > Account Status on the phone's web interface.