发明名称 ADDITION AND SUBTRACTION METHOD FOR TELEPHONE CHARGE
摘要 PROBLEM TO BE SOLVED: To provide a telephone system in which a caller who is a seller can unhurriedly get a hearing of a caller's explanation by a consumer who is the called party and so that even the called party will not feel waste of time and will not be annoyed. SOLUTION: A telephone set is provided with a charge subtraction button and a signal generator that generates a charge subtraction signal, when the button is depressed. Furthermore, this method adopts a means that stores a program to the main storage of a service control computer of a telephone exchange of a telephone station or a telephone exchange network. The program is used by the telephone exchange, in such a way that when the telephone exchange of the telephone station detects the charge subtraction signal from the telephone of a called party, the exchange subtracts a charge, corresponding to a speech time from the telephone charge of the called party and adds the same amount of the charge as the subtracted charge, to the telephone charge of the caller.
申请公布号 JP2002237909(A) 申请公布日期 2002.08.23
申请号 JP20010073110 申请日期 2001.02.07
申请人 AOKI TAKESHI 发明人 AOKI TAKESHI
分类号 H04M3/42;H04M3/00;H04M15/00;H04Q3/545;(IPC1-7):H04M15/00 主分类号 H04M3/42
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