Method of capturing a control channel for calls following an eme

Details Method of capturing a control channel for calls following an eme Method of capturing a control channel for calls following an eme

1995-07-28

1998-03-24

Bost, Dwayne

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 37, 455 342, H04M 1100, H04M 1104, H04Q 700

Patent

active

057321256

ABSTRACT:
To perform control of a mobile telephone system which uses a dedicated control channel type multichannel access system, when an emergency telephone call is made from a mobile telephone to the police or fire department, the mobile telephone references a memory into which is stored the identification code of a service area within which calling is permitted, the base station having the highest received field strength of the control channel radio signals of base stations in this service area is selected and the emergency call is made to the thus selected base station. When doing this, the mobile telephone stores the identification code of the base station to which the emergency call was made, and when a next call is made after the emergency call is completed, the call signal is sent on the control channel of the base station to which the emergency call was made, based on the thus stored identification code of the base station.

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patent: 5555286 (1996-09-01), Tendler
patent: 5563931 (1996-10-01), Bishop et al.
patent: 5613213 (1997-03-01), Naddell et al.

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