Allows for the Direct-Link LifeLine™, 800, and 007 Series Systems to be connected to PBX/Digital phone systems commonly found in office, business, and other non-residential settings. Once connected CNT staff is able to communicate, monitor, distribute, and record the communications/negotiations taking place over the PBX/Digital phone system. NOTE: To operate the PBX-to-Analog Connector Module with the Direct-Link 800 Series System, the Enhanced Landline Module MUST also be used.