00945nam a2200229Ia 4500 4 4 0000010 OSt 20180709111656.0 170602s9999 xx 000 0 und d 9788126509294 2016 Allied Informatics, Jaipur English BSDU BSDU 621.385 BEL Bellamy, John C. Digital Telephony 3rd Wiley India Pvt. Ltd. India New Delhi 2014,c2000 643 Background and Terminology. Why Digital? Voice Digitization. Digital Transmission and Multiplexing. Digital Switching. Digital Modulation and Radio Systems. Network Synchronization Control and Management. Fiber Optic Transmission Systems. Digital Mobile Telephony. Data and Asynchronous Transfer Mode Networks. Digital Subscriber Access. Traffic Analysis. Electronics ddc BK 0 0 ddc 0 0 BSDU BSDU 2016-11-19 679.00 2 621.385 BEL 000010 2020-02-12 00:00:00 2017-08-31 679.00 2017-06-02 BK 0 0 ddc 0 0 BSDU BSDU 2016-11-19 679.00 2 621.385 BEL 000011 2020-02-12 00:00:00 2017-08-31 679.00 2017-06-02 BK