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private automatic branch exchange

   Also found in: Acronyms 0.04 sec.
private automatic branch exchange [′prī·vət ¦ȯd·ə‚mad·ik ′branch iks‚chānj]
(communications)
A private branch exchange in which connections are made by remote-controlled switches. Abbreviated PABX.
(communications)Private Automatic Branch eXchange - (PABX) A telephone exchange operated within an organisation, used for switching calls between internal lines and between internal and PSTN lines. In contrast to a PMBX, a PABX can route calls without manual intervention, based entirely on the number dialed. Not all PABXs can route external calls to internal numbers automatically however.


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At present, SibChallenge-Telecom services 17, 000 wireline users, 8, 000 Code Division Multiple Access (CDMA) fixed wireless users, over 12, 000 Internet users, 20, 000 Private Automatic Branch Exchange (PABX) numbers and 40,000 numbers for a mobile operator.
SibChallenge-Telecom Announces Commencement of Operation under the ... by Business Wire
OTCBB: CYBD), a leading manufacturer and software developer of fixed wireless Digital Central Office Telephone Exchanges and Private Automatic Branch Exchanges (PABX) announced today that it has signed financing and sales agreements with Yaweh Corp.
Cyber Digital, Inc. Completes Agreements with Yaweh Corp. of Nigeria; ... by Business Wire
OTCBB: CYBD), a leading manufacturer and software developer of fixed wireless Digital Central Office Telephone Exchanges and Private Automatic Branch Exchanges (PABX) announced today that it has signed an agreement with Omomia Associates of Nigeria to establish distributors for its CSX PABX in the seven states of Nigeria.
Cyber Digital, Inc. Inks Agreement with Omomia Associates of Nigeria; ... by Business Wire
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