Private Branch Exchange
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A private branch exchange is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as: PABX - private automatic branch exchange EPABX - electronic private automatic branch exchange PBXs make connections among the internal telephones of a private organization usually a business and also connect them to the public swi...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A private branch exchange is a telephone exchange that serves a particular business or office, as opposed to one that a common carrier or telephone company operates for many businesses or for the general public. PBXs are also referred to as: PABX - private automatic branch exchange EPABX - electronic private automatic branch exchange PBXs make connections among the internal telephones of a private organization usually a business and also connect them to the public switched telephone network via trunk lines. Because they incorporate telephones, fax machines, modems, and more, the general term "extension" is used to refer to any end point on the branch.
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