01119nam0-2200361---450-99000987343040332120140624123714.0978-0-471-77657-4000987343FED01000987343(Aleph)000987343FED0100098734320140624d2006----km-y0itay50------baengUSa-------001yyInternet communications using SIPdelivering VoIP and multimedia services with session initation protocolHenry Sinnreich, Alan B. Johnston2nd ed.Indianapolis, INWiley publishing©2006377 p.ill.24 cmProtocolli per reti di computerTelefoniaUso di InternetSistemi multimediali621.385'02Sinnreich,Henry523307Johnston,Alan B.523308ITUNINARICAUNIMARCBK99000987343040332110 C 456DIS 5114DINELDINELInternet communications using SIP827437UNINA