发明名称 TELETEX DEVICE
摘要 PURPOSE:To suppress a trouble given on an opponent at a minimum level, by detecting the mis-setting of an opposite telephone number when it is set in a first communication operation. and constraining a re-sending operation due to the mis-setting of the telephone number based on the time zone of communication. CONSTITUTION:When response is obtained after dialing to the opponent, it is decided whether the negotiation of a modem function to decide communication speed or the training signal of a modem is completed in a prescribed time or not. When it is not completed in the prescribed time, a bit of dial information is set if it is the time zone on which mid-night discount can be applied, and hereinafter, no communication operation is performed. Also, if it is the time zone on which no mid-night discount is applied, a re-sending counter is increased by one, and a line is interrupted once, and after a prescribed time, the re-sending operation is performed. And when no negotiation is completed in the prescribed time, the bit of dial information is reset, then, no communication operation is performed hereafter.
申请公布号 JPS63182953(A) 申请公布日期 1988.07.28
申请号 JP19870014472 申请日期 1987.01.24
申请人 HITACHI LTD 发明人 OKABE SHINICHI
分类号 H04M11/00;H04L17/00;H04L29/06;H04M11/06;H04N1/32 主分类号 H04M11/00
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