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C.O.

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Telecommunications

Abbreviation for central office.

ATIS — ATIS Telecom Glossary 2007

Related Telecommunications terms

busy test
central office connecting facility
central office trunk
COG
customer service unit (CSU)
disconnect-control office
electrically powered telephone
end exchange
end office (EO)
EO
exchange area
foreign exchange (FX) service
local central office
local exchange
local exchange loop
Microprocessor
remote call forwarding
repertory dialer
telephone exchange
teletypewriter exchange service (TWX)
traffic service position system (TSPS)

Nearby Telecommunications terms

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