Extension Routing
The Extension Routing module allows admins to easily and visually control which extensions are allowed to use specific outbound routes.
Module tag: Extension Routing
Class of Service
The Class of Service Administration module provides granular control at the extension level to access and set permissions of specific calling features of your PBX. These features include Outbound Routes, Feature Codes, Ring Groups, Queues, Conference Rooms, Voicemail Blast Groups and Paging.