Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1991-09-25
1994-01-25
Chan, Wing F.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 60, 455331, H04M 1100
Patent
active
052822400
ABSTRACT:
The present invention provides a mobile communications system in which the home exchange of a mobile subscriber maintains information indicative of where the mobile subscriber might be found. Upon receipt of a call, the home exchange requests the exchange where the mobile is believed to be located to page it and then requests the answering exchange(s) to order the mobile to tune to a voice/traffic channel. Only after the successful completion of this process does the answering exchange report this to the home exchange which then orders routing of the call through the network.
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Buhl Nancy
Hayes John
Kallin Harald
Bost Dwayne D.
Chan Wing F.
Telefonaktiebolaget LM Ericsson
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