Method of reducing blocking for cellular phones

Details Method of reducing blocking for cellular phones Method of reducing blocking for cellular phones

2006-04-18

2006-04-18

Beamer, Temica (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S466000, C455S450000, C455S422100, C455S437000, C370S329000, C370S332000, C370S333000, C370S431000

Reexamination Certificate

active

07031713

ABSTRACT:
The invention provides a method of bypassing a blocked voice channel of a mobile phone system. A call request is initiated from a mobile phone. A plurality of control channels of a first carrier is scanned, and the signal strength of each control channel is measured. Service access on the strongest control channel of the first carrier is requested. If a blocked signal indicating no availability of a voice channel on the strongest control channel of the first carrier is received, then a second strongest control channel of the first carrier is selected and service access on the second control channel is requested.

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patent: 2003/0211854 (2003-11-01), Mazzara, Jr.

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