dial exchange

dial exchange

[′dīl iks‚chānj]
(communications)
A telephone exchange area in which all subscribers originate their calls by dialing.
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References in periodicals archive ?
This funding enabled BEK to expand their service territory with the purchase of several independent telephone companies and tobegin the process of establishing modern dial exchanges. The Hazleton exchange became the first to be cut over to modern dial service on March 3, 1956.