Portable telephone system

A switching system (3) has, in addition to an ordinary accounting function, an origination-only accounting control unit 6 to monitor the number of message units used by an origination-only portable telephone (1B) identified by a terminal identification number and to deny the origination of a call by...

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Main Authors NAKASU JIRO, YAMANAKA SHUNJI, MITANI YUJI, TSUKADA TOMOAKI, YAMAMOTO KAZUHIRO, HAYASHI HIDEKI, ONOOKA YASUSHI, KODAKA KUNIO
Format Patent
LanguageEnglish
Published 09.10.2001
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A switching system (3) has, in addition to an ordinary accounting function, an origination-only accounting control unit 6 to monitor the number of message units used by an origination-only portable telephone (1B) identified by a terminal identification number and to deny the origination of a call by the origination-only portable telephone (1B) upon the increase of the number of used message units to a predetermined number. The origination-only accounting control unit (6) accepts the origination of a call made by the origination-only portable telephone (1B) when a prescribed input about the origination-only portable telephone (1B) is given thereto by a system operator by operating a predetermined terminal device (7) or the like after the denial of origination of a call by the origination-only portable telephone (1B).
Bibliography:Application Number: US19980194677