USP Automatic VOICE / PAGER Dialers w/ Verification 
USP AD-2001 - Voice Dialer - 2 Channels - 4 Numbers AD2001

AD2001 :

Voice/Pager Dialer with "Listen In" and "Two Way" Voice Verification Two Zone - Calls up to Four different Telephone Numbers Listen In and Two Way voice capabilities are ideal for burglary verification or other personal / commercial communication applications. EEPROM and non-volatile memory for complete programming retention in the event of extended power loss. Sends Two voice messages up to 4 telephone numbers or delivers numeric code to 4 local pagers or any combination of both ( Two Zone / Four Number / 51 Second Message Maximum). Automatically skips to next number when line is busy or no answer Playback voice message through internal speaker Dialing is continuous and stops when alarm input resets LED display to show keyed-in telephone numbers while programming Two programmable alarm inputs: NC, NO or voltage Up to 50 digits per telephone number stored Easy verification of telephone numbers stored User-friendly function keys to program numbers and voice programming