You can assign a phone number or a device to a limited extension after creating it. If an existing phone is applied to the limited extension, you must configure it.
Procedure
On the Admin Portal home page, click Phone System > Groups > Limited Extensions.
Click the limited extension to configure.
To assign a phone number, on the extension tab, click Device & Numbers, and click Add Direct Number.
From the Number Type list, select the appropriate number type and click Next.
Select between local, toll-free, and vanity numbers.
To view the details of the selected device, click the Phone tab.
You can configure the phone nickname, phone type, and number.
To configure an existing phone, click Edit > Setup & Provision.
Follow the instructions on the Setup & Provisioning window to activate the limited extension phone.
