bn:00017206n
Noun Concept
Categories: Telephone service enhanced features, Telephone exchanges
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centrex  Centrex service  Centrex® service  Integrated Business Network
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(CENTRal EXchange) a kind of telephone exchange WordNet 3.0
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Centrex is a portmanteau of central exchange, a kind of telephone exchange. Wikipedia
A telephone service Wikipedia Disambiguation
Telephone service Wikidata
A service similar to a private branch exchange, but providing switching at the central office instead of at the customer's premises. Wiktionary
WordNet 3.0 & Open English WordNet
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Wikipedia
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Wikidata
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Wiktionary
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