Ground-to-air telephone calling system and related method

Details Ground-to-air telephone calling system and related method Ground-to-air telephone calling system and related method

H - Electricity

04

M

325/30

H04M 11/00 (2006.01) H04B 7/185 (2006.01)

Patent

CA 1310699

ABSTRACT OF THE DISCLOSURE 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 tele- phone numbers into a data signal comporting with existing proto- col filed in the FCC, an uplink unit for uplinking the data sig- nal 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 corre- sponding 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. - 18 -

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