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1دورية
المؤلفون: Melamed, Haim
المصدر: Internet Telephony; Sep2005, Vol. 8 Issue 9, p72-76, 4p, 1 Color Photograph
مصطلحات موضوعية: INTERNET protocols, CENTREX telephone service, TELEPHONE systems, TELECOMMUNICATION systems, TIME division multiple access, COMPUTER network resources, COMPUTER network architectures, CELL phone systems, PRIVATE branch exchanges