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Telephone exchange
Telephone exchange

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!!! Overview
[{$pagename}] ([Central Office]) is a [telecommunications] system used in the [Public Switched Telephone Network] or in [Private Branch Exchange] which consists of electronic components and in older systems also human operators that interconnect (switch) telephone [subscriber|Subscriber Number] lines or virtual circuits of digital systems to establish telephone calls between [Subscriber Numbers].In historical perspective, telecommunication terms have been used with different semantics over time. The term [{$pagename}] is often used synonymously with [Central Office] (CO), a Bell System term. Often, a [Central Office] is defined as a building used to house the inside plant equipment of potentially several [{$pagename}]s, each serving a certain geographical area. Such an area has also been referred to as the [{$pagename}].
[{$pagename}] locations may also be identified in North America as wire centers, designating a facility from which a telephone obtains dial tone. For business and billing purposes, telephony carriers also define rate centers, which in larger cities may be clusters of [central Offices], to define specified geographical locations for determining distance measurements.
[{$pagename}] may also refer to the [Local Exchange]
!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
This page (revision-1) was last changed on 29-Nov-2024 16:16 by UnknownAuthorTop