NUST Institutions Library Catalogue Search for 'au:"Johnston, Alan B."'

SIP: understanding the Session Initiation Protocol understanding the Session Initiation Protocol

By Johnston, Alan B.. Boston : Artech House, 2004 . xxiii, 283 p. : 24 cm.. 1580536557

By Johnston, Alan B.. Boston, MA : Artech House, 2006 . xvii, 261 p. : 24 cm.. 1596930500 | 9781596930506

By Johnston, Alan B.. Boston : Artech House, 2009 . xxix, 395 p. : 24 cm.. 9781607839958 | 1607839954