00578nam a2200205 a 4500001001400000003000700014005001700021008004100038020001500079040000800094100001400102245004500116250001200161260004300173300003500216650003900251650003000290650002200320650003000342vtls000014097KUKTEM20251117142448.0060704                       000 0 eng d  a0072131837  aUMP1 aHeld, Gil10aVoice & data internetworking /cGil Held  a3rd ed.  aNew York :bOsborne/McGraw-Hill,c2001  axviii, 397 p. :bill. ;c24 cm 0aTCP/IP (Computer network protocol) 0aDigital telephone systems 0aComputer networks 0aData transmission systems