It depends. The public is for DID calls from outside the system from the CO. Private is for dialing other BCM's extensions on your network. If you don't have other BCM's on your network then private doesn't need to be programed. The pub and private are used in routing too.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.