The Com.X treats extensions and extension ports differently.
- Extensions represent dialable numbers (users) in the system, e.g. extension 1000.
Extension Ports represent hardware devices available for making and receiving calls, e.g. FXS lines (analog phone) and SIP phone lines.
Note that a SIP phone may have more than one line and hence more than one extension port.
Extension Ports are created when Comma or Managed SIP devices are added in the Hardware Panel, and when Generic SIP extensions are added in the Extension Panel.
An Extension and an Extension Port can be associated, either by configuration as described below or by “hot-desking” user login.