Non-volatile memory (no batteries required). Stores up to seven 16-digit numbers and one 32-digit phone number per input (64 total). 60 total seconds of record time. Programmable message repeat counter. Programmable lap counter for dialing groups of phone numbers. Eight programmable normally open/closed inputs. Programmable ring delay for remote programming and alarm polling. Pager compatible. Remote security and access codes. Programmable store caster mode. CPC break detection. Local or remote programming and recording. RS-232 port for programming via a P.C. Compatible with the RC-2A and RC-3 remote DTMF controllers.