CHARGING SYSTEM

PROBLEM TO BE SOLVED: To solve the problem, wherein even though there are a collect call and a free-dial call available to make a called person call back free, they are poor in convenience and not flexibly adaptive to charging the relations between arbitrary subscribers. SOLUTION: A caller dials a s...

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Bibliographic Details
Main Author MATSUZAKI NOBUO
Format Patent
LanguageEnglish
Published 02.11.2006
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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