Paging & Intercoms
Almost all SIP phones allows to page them and use as intercom: the ability to establish a mono directional or bidirectional communication without making them ring.
Number: the extension number of the Page/Intercom
Name: A name should be assigned to the Page/Intercom to easy identify it in the system.
Bidirectional: Yes or No
Check if exten are in use:
Extensions: The extensions select to be called via the page or intercom