00871    a2200217   4500003000500000005001700005010001700022020001500039040000900054082001800063100002900081245012100110260002900231300001800260505015800278650003400436700002500470942001200495999001900507952012700526Nust20221212123548.0  a  2004026217  a8178082586  cNust  a621.38212,HER  aHersent, Olivier9104644  aIP telephony :bpacket-based multimedia communications systems /cOlivier Hersent, David Gurle and Jean-Pierre Petit  aPearsonbNew Delhic2003  axviii, 456 p.  aSection 1.The Application Layer IP Telephony Protocols (Page-1), Section 2. Voice Technology  Background (Page-195), Section 3. The Network (Page-293).    aTelecommunication engineering  aGurle, David9104645  2ddccBK  c182662d182662  00102ddc4070aMCSbMCScGENd2016-12-12o621.38212,HERpMCS32519r2016-12-08w2016-12-12yBKzAlmirah No.36, Shelf No.2