00426nam a22001697a 4500 NUST 978-14-2007090-3 khadija 004.62 AGB Agbinya, Johnson I. 81636 IP Communications and Services for NGN / Johnson I .Agbinya. New York, CRF press, 2008. 373p. : Hardcover. hard cover BK ddc 32531 32531 0 0 ddc 0 0 SMME SMME GEN 2015-10-01 004.62 AGB SMME-1282 2018-03-28 2015-10-01 BK Rack,50-Shelf,4