Visual message waiting indication in a telephone voice message s

Details Visual message waiting indication in a telephone voice message s Visual message waiting indication in a telephone voice message s

1992-12-22

1994-11-08

Dwyer, James L.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 92, 379105, 379393, H04M 1100

Patent

active

053634314

ABSTRACT:
A telephone system which offers a voice message service and which enables visual indication of waiting messages at subscriber locations using suppressed ringing connections through the switching network of the system.

REFERENCES:
patent: 4453041 (1984-06-01), Castro
patent: 4468541 (1984-08-01), Cohen
patent: 4853952 (1989-08-01), Jachmann
patent: 4969186 (1990-11-01), Sayre II

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