Viking Electronics K-1900-8 Vandal Resistant Hot-Line Panel Phone

Auto dial 1 (up to 32 digits) programmable speed dial number Multi-number dialer mode adds 5 (up to 16 digits) speed dial numbers Touch tone or pulse dialing Non-volatile memory (no batteries required) Operates on analog PABX and key system extentions or analog Centrex and C.O. lines Programmable 6 digit security code Touch tone programmable Vandal resistant Programmable pre-dial pause Blocks fraudulent calls from hand held pocket dialers Limited toll restriction Hearing aid compatible amplified handset with sealed push button volume control