Apparatus and a method for controlling a priority access and...

Details Apparatus and a method for controlling a priority access and... Apparatus and a method for controlling a priority access and...

2007-05-22

2007-05-22

Gelin, Jean (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S432300, C455S435300, C455S450000

Reexamination Certificate

active

10852506

ABSTRACT:
Disclosed is a method for controlling a PACA call in a mobile telecommunications system, which comprises: sending a new origination message from a mobile station in a PACA state to a base station; sending a service request message for a PACA call from the base station to a mobile switching center, requesting from the mobile switching center the base station to assign a traffic channel to the mobile station; assigning an available traffic channel to the mobile station to start a communication; and distinguishing the PACA call service from an ordinary call service.

REFERENCES:
patent: 5574977 (1996-11-01), Joseph et al.
patent: 5828959 (1998-10-01), Soderbacka
patent: 5963550 (1999-10-01), Hirata et al.
patent: 6181939 (2001-01-01), Ahvenainen
patent: 6347227 (2002-02-01), Johansson
patent: 6370379 (2002-04-01), Rugaard
patent: 6549787 (2003-04-01), Ravi
patent: 6760594 (2004-07-01), Murasawa et al.
patent: WO 00/11879 (2000-03-01), None

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