Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-06-21
2011-06-21
Karikari, Kwasi (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S410000, C455S411000, C455S414200, C455S414100, C455S432100, C455S432200, C455S565000, C455S406000
Reexamination Certificate
active
07966014
ABSTRACT:
A method and computer-readable medium for controlling roaming restrictions for dispatch calling of a mobile station in a network are provided. A home location register receives a dispatch application processor identifier and a mobile station identifier. The domain in which the dispatch application processor is located may be determined by the home location register, based upon the dispatch application processor identifier. A determination can be made whether the mobile station is authorized to operate in the domain, based upon the mobile station identifier. If the mobile station is not authorized to operate in the domain, the mobile station is prevented from operating in the domain. On the other hand, if the mobile station is authorized to operate in the domain, the operation of the mobile station may be allowed, but restricted to certain predetermined calling features.
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Karikari Kwasi
Nextel Communications Inc.
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