direct distance dialing


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direct distance dialing

[də¦rekt ¦dis·təns ′dīl·iŋ]
(communications)
A telephone exchange service that allows a telephone user to dial subscribers outside the local area using a standard routing pattern from the local or end office.
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References in periodicals archive ?
VAN charges are distance-independent, contrary to costs associated with dedicated lines, 800 service or direct distance dialing.
One of the reasons for this was the increased revenue from long-distance usage that became much more productive with direct distance dialing and lowered microwave unit cost.
Under the agreement, Teleglobe will provide QuebecTel with international toll free, direct distance dialing, private line and postpaid card services - as well as ATM and Frame Relay data services - on a wholesale basis.