spc telephone exchangeの例文

例文

1. The calling subscriber ' s number display using the telephone sets with the display telephone numbers function not only traced the malicious call but also became a new service of spc telephone exchanges
2. Abstract : the paper introduces various identification methods for tracing the malicious call and calling identification services in spc telephone exchanges , especially describes the malicious call trace methods by using switch boards and " r " key tandem function and telephone set which can display calling subscriber ' s numbers
3. The paper introduces various identification methods for tracing the malicious call and calling identification services in spc telephone exchanges , especially describes the malicious call trace methods by using switch boards and " r " key tandem function and telephone set which can display calling subscriber ' s numbers