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- Business_telephone_system abstract "A business telephone system is a multiline telephone system typically used in business environments, encompassing systems ranging from small key systems to large-scale private branch exchanges.A business telephone system differs from an installation of several telephones with multiple central office (CO) lines in that the CO lines used are directly controllable in key systems from multiple telephone stations, and that such a system often provides additional features related to call handling. Business telephone systems are often broadly classified into key telephone systems, and private branch exchanges, but many hybrid systems exist.A key system was originally distinguished from a private branch exchange (PBX) in that it did not require an operator or attendant at the switchboard to establish connections between the central office trunks and stations, or between stations. Technologically, private branch exchanges share lineage with central office telephone systems, and in larger or more complex systems, may rival a central office system in capacity and features. With a key system, a station user could control the connections directly using line buttons, which indicated the status of lines with built-in lamps.".
- Business_telephone_system thumbnail 302key.jpg?width=300.
- Business_telephone_system wikiPageID "1017561".
- Business_telephone_system wikiPageRevisionID "606350847".
- Business_telephone_system hasPhotoCollection Business_telephone_system.
- Business_telephone_system subject Category:Computer_telephony_integration.
- Business_telephone_system subject Category:Telephone_exchange_equipment.
- Business_telephone_system subject Category:Telephony_equipment.
- Business_telephone_system comment "A business telephone system is a multiline telephone system typically used in business environments, encompassing systems ranging from small key systems to large-scale private branch exchanges.A business telephone system differs from an installation of several telephones with multiple central office (CO) lines in that the CO lines used are directly controllable in key systems from multiple telephone stations, and that such a system often provides additional features related to call handling.".
- Business_telephone_system label "Autocommutateur téléphonique privé".
- Business_telephone_system label "Business telephone system".
- Business_telephone_system label "PABX".
- Business_telephone_system label "PBX".
- Business_telephone_system label "PBX".
- Business_telephone_system label "Private Branch Exchange".
- Business_telephone_system label "Private branch exchange".
- Business_telephone_system label "Telefonanlage".
- Business_telephone_system label "Офисная АТС".
- Business_telephone_system label "構内交換機".
- Business_telephone_system label "用户交换机".
- Business_telephone_system sameAs PBX.
- Business_telephone_system sameAs Telefonanlage.
- Business_telephone_system sameAs PBX.
- Business_telephone_system sameAs Autocommutateur_téléphonique_privé.
- Business_telephone_system sameAs PABX.
- Business_telephone_system sameAs Private_branch_exchange.
- Business_telephone_system sameAs 構内交換機.
- Business_telephone_system sameAs 기업용_전화_시스템.
- Business_telephone_system sameAs PABX.
- Business_telephone_system sameAs Private_Branch_Exchange.
- Business_telephone_system sameAs PBX.
- Business_telephone_system sameAs m.03zmzy.
- Business_telephone_system sameAs Q204896.
- Business_telephone_system sameAs Q204896.
- Business_telephone_system wasDerivedFrom Business_telephone_system?oldid=606350847.
- Business_telephone_system depiction 302key.jpg.
- Business_telephone_system isPrimaryTopicOf Business_telephone_system.