Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1984-05-11
1987-11-10
Lev, Robert
Telephonic communications
Audio message storage, retrieval, or synthesis
379 62, 379160, H04Q 704
Patent
active
047062746
ABSTRACT:
A cordless telephone system includes a control unit having a speaker, a microphone and control circuitry for selective operation in a "normal" mode for communications between the handset and an outside party, a "local answer" mode for communications between a party at the control unit and an outside party, an "intercom" mode for communications between parties at the control unit and the handset and a "3-way" mode for communications between parties at the control unit and handset and an outside party. A microprocessor so responds to ring detect, control and switch-generated interrupt signals as to obtain the desired communications.
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Atkinson Noel
Baker William
Pedigo Michael K.
Shelton Henry P.
Lev Robert
Southwestern Bell Telecommunications, Inc.
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