direct outward dialing

direct outward dialing

[də¦rekt ¦au̇t·wərd ′dīl·iŋ]
(communications)
A private automatic branch telephone exchange that permits all local stations to dial outside numbers. Abbreviated DOD.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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