Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1994-09-29
1996-07-09
Kuntz, Curtis
Telephonic communications
Audio message storage, retrieval, or synthesis
379 59, 379 58, 379 60, H04Q 732
Patent
active
055352600
ABSTRACT:
A radiotelephone (10) simulates the call origination process performed by land-line telephones. Dial tone is generated (78) in response to an off-hook condition and removed when a first digit (54) is dialed. A timer process (84, 110) and a number analysis process (100) simultaneously evaluate dialed digits to detect the completion of dialing. The number analysis process (100) identifies seven, ten, and eleven digit, and indeterminate length phone number formats (64, 66, 52, 68). The ten digit format is recognized in response to remotely programmed (42) connected NPA codes. For most calls, the number analysis process (100) instantly detects a phone number's final digit (62). In a few cases the timer process (84, 110) detects the final digit through the absence of dialing activity for a predetermined duration. When the final digit (62) is detected, an origination message is transmitted to a cellular network.
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Dion John K.
Zicker Robert G.
Gresham Lowell W.
GTE Mobile Communictions Services
Kuntz Curtis
Meschkow Jordan M.
Oehling G. J.
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