Exchange

Of work and telephone system.   May also be referred to as central and telephone exchange.

A workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication.

This concept's ID is @1~16001

Contains

  • centrex 0 facts

    (CENTRal EXchange) a kind of telephone exchange.

  • switchboard 0 facts

    Telephone central where circuits are completed with patchcords.