You can use Page groups to make real-time announcements to deskphones and overhead paging devices. To assign an existing Paging Only group to a site, follow the steps from the service web tab home page.
Procedure
Log in to Admin Portal.
Click Groups > Manage Groups.
Click the Phone System tab.
Click Groups > Paging Only.
Click New Paging Only to create a new paging group.
Enter a group name in the Group Name field.
In the Extension Number field, accept the incremental number offered or choose a unique number, and click Save.
A dialog box is displayed to confirm the successful addition of the new group. It also offers an option to configure paging-related settings.