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COMMUNICATION TERMINAL DEVICE, CALL TERMINATION REPORTING SYSTEM, CALL TERMINATION REPORTING METHOD, AND CALL TERMINATION REPORTING PROGRAM
COMMUNICATION TERMINAL DEVICE, CALL TERMINATION REPORTING SYSTEM, CALL TERMINATION REPORTING METHOD, AND CALL TERMINATION REPORTING PROGRAM
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机译:通信终端设备,呼叫终止报告系统,呼叫终止报告方法和呼叫终止报告程序
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摘要
PROBLEM TO BE SOLVED: To provide a communication terminal device which improves precision at the time of determining that a call terminating-side communication terminal device (2) cannot connect to a communication network because being outside the service area or power-off.;SOLUTION: When determining that the second communication terminal device (2) cannot connect to a communication network because being outside the service area or power-off, a first communication terminal device (1) intermittently transmits a call origination request to the second communication terminal device (2) to repeat transmission of the call origination request. When determining that the second communication terminal device (2) cannot connect to a communication network after intermittently transmitting the call origination request for an arbitrary period, the first communication terminal device (1) switches a speech mode to a mail mode and transmits a call termination history including its own telephone number to a call controller (10) by mail.;COPYRIGHT: (C)2006,JPO&NCIPI
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