Glossary

central office (CO)

Definition: Dial or manual telephone switching equipment with a capacity of up to 10,000 main telephone numbers and/or trunk lines. A central office is typically housed in a wire centre, which is a room or building that serves a designated geographical area and where customers' lines terminate and/or interconnect. (sources: Translation Bureau: Telecommunications and Broadcasting Regulation Vocabulary, http://www.btb.gc.ca/btb.php?lang=eng&cont=429; CRTC Data Collection - Telecommunications Glossary, http://www.crtc.gc.ca/dcs/eng/glossary.htm; CRTC staff)
French: central
Associated words and phrases: exchange
telephone exchange
co-location
wire centre
Associated words and phrases also defined: local calling area (LCA)
This term is used for: CO; switching centre

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