Assign More Extensions to a Provisioned IP Phone
If an IP phone has been previously provisioned and there are new phone users, you can assign more extensions to the provisioned phone.
Requirement
The firmware version of Yeastar P-Series Software Edition is 83.24.0.73 or later.
Prerequisites
- Make sure that the provisioned phone has available SIP lines for
assignment.Note: You can check the phone's supported SIP lines via the phone webpage or directly on the device screen.
If the phone is deployed in a remote network and has been auto provisioned via RPS FQDN (Remote) or Provision Link - FQDN (Remote) method, make sure the extension to be assigned can perform remote SIP registration via FQDN. For detailed configurations, see Configure Network for Remote SIP Access by a Yeastar FQDN.
Procedure
- Assign extensions to a provisioned phone on the phone editing page
-
- Log in to PBX web portal, go to , edit the desired phone.
- In the Assign Extension section, complete the
following settings.

- Click Add.
- In the drop-down list of the SIP Line
column, select the desired SIP line.Note: The SIP line must be supported by the phone, otherwise the configurations for unsupported SIP line will not be applied.
- In the drop-down list of the
Extension column, select the
desired extension.Note: If your desired extension is not listed in the drop-down list, it indicates that the devices registered to the extension has reached the limit. You can use either of the following methods to proceed.
- To release the previous phone or gateway, see Release an Extension from a Provisioned IP Phone/Gateway.
- To raise the phone registration limit, see Allow Multiple Registrations for One Extension Number.
- Optional: In the Phonebook
Line drop-down list, select a SIP
line.
The phonebook of extension assigned to the SIP line will be applied to the phone.
- Optional: In the Function Key
Line drop-down list, select a SIP
line.
The function keys of extension assigned to the SIP line will be applied to the phone.
- Click Save.
- Associate an extension with a provisioned phone on the extension editing page
-
- Log in to PBX web portal, go to , edit the desired extension.
- Click the Phone tab, then click
Select a Phone at the top-right
corner of the page.
Note: If this button is invisible, it indicates that the phones registered to the extension has reached the limit. You can use either of the following methods to proceed.- Under the Phone tab, release
the extension from unused phone.

- Under the User tab, select a
number from the IP Phone Concurrent
Registrations drop-down list to allow
more phone registration for the extension.

- Under the Phone tab, release
the extension from unused phone.
- In the pop-up window, complete the following settings and click
Confirm.

- Vender: Select the vender of the desired phone.
- Model: Select the model of the desired phone.
- MAC Address: Select the MAC address of the desired phone.
- SIP Line: Select the desired SIP
line.Note: The SIP line must be supported by the phone, otherwise the configurations for unsupported SIP line will not be applied.
- Click Save.
- Reprovision the phone using either of the following methods.
- Go to , click
beside
the phone. - Reprovision the phone via its webpage.
- Go to , click
Result
The assigned extensions are automatically registered on the phone. You can check the registration status via the phone webpage or on the device screen.
The SIP lines registered with these extensions are associated with different physical line keys on the phone. You can press a line key to activate the target SIP line. The corresponding LED illuminates, and all calls are processed over this SIP line.