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Online Computer Terms Dictionary - P

PBX ==>

Private Branch Exchange

<communications> (PBX) A telephone exchange local to a particular organisation who use, rather than provide, telephone services. The earliest PBXs were manual (Private Manual Branch EXchange, PMBX) but are now more likely to be automatic (Private Automatic Branch eXchange).



Nearby terms: privacy Privacy Enhanced Mail Private Automatic Branch eXchange Private Branch Exchange private-key cryptography Private Manual Branch eXchange privileged instruction