Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1988-07-25
1989-10-17
Lev, Robert
Telephonic communications
Audio message storage, retrieval, or synthesis
379 58, H04Q 704
Patent
active
048752304
ABSTRACT:
A cellular telephone unit includes logic circuitry designed or programmed automatically to expand (recursively or iteratively) keystroke sequences containing recall commands by substituting the contents of a memory location specified by any recall command for the recall command itself. When a call is being initiated, any transmission keystrokes in a fully-expanded keystroke sequence occuring prior to a first pause command are transmitted over a signalling channel; transmission characters thereafter are transmitted on a voice channel.
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GTE Mobilnet Incorporated
Lev Robert
LandOfFree
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