- Improved audio amplifier - Programmable 6 digit security code - Prgorammable ring delay - Remote night switch - Disconnects on CPC busy return dial tone amximum call time or by dialing #7 - Non-volatile memory (no batteries required) - Auxiliary dry contacts - Programmable 15 second to 49.5 minute call timer - Compatible with analog stations on PABX and KSU systems - Simple programmable toll restriction -Line Extender:Access code(s)500ms hook switch flash command2 second disconnect command - Call Diverter:32 digit phone number memory - Telecommuting Extender: Log-In and Log-Out capability Special tone notifies of work related calls Supports PABX/KSU features (transfers voicemail paging etc.) to remote employees