Ground-to-air telephone calling system and related method
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United States of America Patent
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-
Jan 11, 1994
Issued Date -
N/A
app pub date -
Sep 16, 1991
filing date -
Apr 29, 1988
priority date (Note) -
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status (Latency Note)
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Abstract
A ground-to-air telephone calling system is provided including a computer for receiving an airborne telephone number and a call-back number from a calling party and forming the telephone numbers into a data signal comporting with existing protocol filed in the FCC, an uplink unit for uplinking the data signal to a satellite and a plurality of downlink stations for receiving the data signal from the satellite; a plurality of ground stations corresponding to each of the downlink units for receiving the data signals and passing a call signal identifying the airborne telephone and particular ground station to a corresponding transmit/receive unit for subsequent transmission to the aircraft; a call being initiated from the ground station to the calling party over the public switched telephone network if the aircraft responds to the call signal.
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