| Definition |
Central Office is a Telecommunications telephony or carrier concept used in public, private, local, long-distance, or enterprise voice service. Regulatory usage can vary by jurisdiction, so context matters when the term appears in tariffs, statutes, or public utility material.
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| Context & Usage |
Carrier staff, enterprise voice teams, and regulators use this concept when describing telephone service, switching, interconnection, billing, and subscriber access.
Related concepts include Telecommunications, Telephone Network and Public Switched Telephone Network.
Additional Resource: FCC Telecommunications Overview.
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