keysets

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• Model 500 telephone — Western Electric model 500 set made in 1951 By 1975, the Model 500 layout …   Wikipedia

• Business telephone system — Early model 464G Western Electric key telephone set A business telephone system is any of a range of a multiline telephone systems typically used in business environments, encompassing systems ranging from small key systems to large scale private …   Wikipedia

• Key telephone system — A key system or key telephone system is a multiline telephone system typically used in small office environments.Key systems are noted for their expandability and having individual line selection buttons for each connected phone line, however… …   Wikipedia

• 1A2 Key System — The 1A2 Key System is an analog multiline business key telephone system. Unlike more modern multiline systems, every telephone line serving a particular phone is wired into that phone, and electromechanical switches (the keys ) switch the lines… …   Wikipedia

• Voice interface card — A voice interface card or VIC is a hardware interface that simulates a FXS on a router or network switch. This device port is used to interface telephone voice or other audio based FXO devices.Typically, a VIC contains one or more RJ 11 ports,… …   Wikipedia

• Compunetix — Compunetix, Inc. Type Corporation Industry Telecommunications Founded 1968 Headquarters …   Wikipedia

• key system —    The equipment utilized to provide the features associated with keysets, including the multipair cable, key service unit, and distribution frames …   IT glossary of terms, acronyms and abbreviations