Information handling system for telephone exchange - stores entered telephone numbers into respective memory location for each subscriber

摘要

The information handling system allows information comprising at least one telephone number to be entered in a respective memory location of a central memory (A) for each subscriber (T1). Specific signal information is entered via the user, to initiate a given procedure for transferring the information to a different memory location, or updating the information. A search algorithm allows the stored information to be supplied to a display device (AZE) within the subscriber appts. ADVANTAGE - Allows simplified selection of centrally stored telephone numbers.