000			01167 a2200241 4500
003			Nust
005			20221223101231.0
010			_a 90037906
020			_a0471620564
040			_cNust
082	0	0	_a621.385,BEL
100	1		_aBellamy, John, _9727
245	1	0	_aDigital telephony / _cJohn Bellamy.
250			_a2nd ed.
260			_aNew York : _bWiley, _cc1991.
300			_axix, 572 p. : _bill. ; _c25 cm.
440		0	_aWiley series in telecommunications _998029
505			_aBackground and Terminology (Page-1), Why Digital (Page-75), Voice Digitization (Page-93), Digital Transmission and Multiplexing (Page-165), Digital Switching (Page-225), Digital Modulation and Radio Systems (Page-279), Network Synchronization Control and Management (Page-333),Fiber Optic Transmission Systems (Page-381), Data and Integrated Services Digital Networks (Page-431), Traffic Analysis (Page-459).
650		0	_aDigital telephone systems. _9729
856	4	2	_3Publisher description _uhttp://www.loc.gov/catdir/enhancements/fy0607/90037906-d.html
856	4	2	_3Table of contents only _uhttp://www.loc.gov/catdir/enhancements/fy0607/90037906-t.html
942			_2ddc _cBK
999			_c183677 _d183677