telephone exchange
Học thuậtThân thiện
Definition
Noun: A central system or facility where telephone lines are interconnected to enable communication between callers. It serves as the physical or electronic hub that routes and manages telephone connections.
Examples
- The city's main telephone exchange handled thousands of calls every hour.
- Before digital systems, operators manually connected calls at the telephone exchange.
- The storm damaged the telephone exchange, disrupting service for the entire neighborhood.
Advanced Usage
- Historical Context: The term often evokes older, manual or electromechanical switching systems (e.g., "They visited a museum featuring a vintage telephone exchange").
- Modern Equivalent: In contemporary language, the core function is often referred to as a "switch" or "switching center," especially in digital and mobile networks (e.g., "The call is routed through a digital exchange").
Variants and Related Words
- Exchange (n): In telecommunications, this is a common shortened form of "telephone exchange."
- Central Office (n): A North American term largely synonymous with telephone exchange, referring to the local switching facility.
- Switchboard (n): Refers to the panel of switches used by operators in an early telephone exchange to connect calls.
Synonyms
- Switching center
- Telecommunication exchange
- Central office (chiefly US)
Related Phrases
- To be connected through the exchange: Describes the routing path of a call.
- In the early days, all long-distance calls had to be connected through the exchange.
Noun
- a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication