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A telephone exchange that is owned by a private business, as opposed to one owned by a common carrier or by a telephone company | |||
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PBX | |||
PBX (telephone) | |||
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PBX (Nebenstellenanlage); PBX (Telephony) | |||
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PBX (Private Branch Exchange) | |||
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PBX |
private: 2 phrases in 2 subjects |
Abbreviation | 1 |
Information technology | 1 |