Abstract: The invention is directed to a memory dialer system in which a central memory system is used for all extensions of a particular telephone network. The system can be used with up to four telephone lines and is provided with stacking means so that if two calls are made simultaneously, a single call is serviced and busy signals sent to the others until the telephone line is free.

Abstract: The present invention is directed to a means of alerting a distant party through a telephone call and a predetermined alarm that a distressed party has activated a distress button. The distressed party indicates an emergency and summons help by pressing a pad button or by means of a remote transmitter without actually going to a telephone. The transmitter signals a receiver by means of a radio frequency and triggers the receiver so that a predetermined telephone number is dialed and an emergency alert is placed on the line for a predetermined amount of time. After an additional period for verification of any emergency, the time sequence is repeated.

Abstract: The present invention comprises a lineman's hand test set which will simultaneously generate both tone impulses for tone dialing as well as dial pulses for rotary dialing, the rotary dialing or the tone dialing being inhibited depending on the type of telephone the lineman is working with.