dictionary help| Private Branch Exchange | computing dictionary |
<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).
Acronym: PBX
(01 Mar 1997)
private, Private Automatic Branch eXchange, private blood group < Prev | Next > private duty nurse, private for-profit institution
Bookmark with:      | word visualiser | Go and visit our forums  |
