74272056
May 4, 1992
full featured caller display with 5 number memory; full featured caller display with 10 number memory; full featured caller display with 25 number memory; full featured caller display with 50 number memory; full featured caller display with 75 number memory; full featured caller display with 10 name and number memory; full featured caller display with 20 name and number memory; full featured caller display with 40 name and number memory; caller ID integrated telephone with 50 call memory; caller ID integrated 2- line telephone with 50 call memory and speakerphone; caller ID integrated telephone with 50 name and number call memory; caller ID integrated 2-line telephone with 50 name and number call memory and speakerphone; caller ID unit for the personal computer with windows application software; telephone line manage for fax, phone and answering machine line sharing
Electrical and Scientific Apparatus