00804nam a2200205Ia 4500 CTU_165612 210402s9999 xx 000 0 und d 34.70 621.385 B592 Bigelow, Stephen J. Understanding telephone electronics Stephen J. Bigelow, Joseph J. Carr, Steve Winder Boston Newnes 2001 Provides comprehensive coverage of telephone system functions and the role of the Internet in telephony Updates encompass the trends and advances of the booming telecommunications field, with new chapters on fiber optic technology and the Internet . Telephone,Điện thoại HLoan Trung tâm Học liệu Trường Đại học Cần Thơ