Telephone exchange names - 위키피디아 영어

of telephone calls between switching systems in different... The leading letters of a central office name were used as the leading components of the telephone number representation, so...

Business telephone system - 위키피디아 영어

central office (CO) lines in that the CO lines used are directly controllable in key telephone systems from multiple telephone stations, and that such a system often provides additional...

Director telephone system - 위키피디아 영어

director telephone system was a development of the Strowger or step-by-step (SXS) switching system used in London and five... control systems, the director system incorporates two features...

Electronic switching system - 위키피디아 영어

of telephone switches before the advent of electronic switching in the 1950s used purely electro-mechanical relay systems... central office commenced in Morris, Illinois in November 1960 by...

Office of Public Affairs | Computer System Administrator and Spouse Plead Guilty

Avaya Holdings Corporation, a multinational business communications company headquartered in California, sold a product called IP Office, a telephone system used by many midsize and small...

Class-5 telephone switch - 위키피디아 영어

Class-5 telephone switch is a telephone exchange in the... class-5 office architecture. Hardware [edit] Before the office... crossbar systems, Panel switches, and Strowger-type step-by-step...

business telephone system 뜻 - business telephone system 한국어 뜻

전화로 telephone: noun, 전화(기), by ~ 전화로, ~booth (공중)전화실, ~ directory 전화 번호부, ~ exchange (office) 전화 교환국 vt, vi, 전화로 이야기하다, 전화를 걸다(to), 전화로...

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1A2 Key Telephone System - 위키피디아 영어

Typically these panels supported only four to six central office lines.[3] The most commonly used telephone sets for the 1A2 systems were modifications of the Bell System standard 500...

(Telephone & Answering Systems) - 비드바이코리아

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