direct distance dialing

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• Direct distance dialing — (DDD) or direct dial is a telecommunications term for a network provided service feature in which a call originator may, without operator assistance, call any other user outside the local calling area. DDD requires more digits in the number… …   Wikipedia

• direct distance dialing — noun : the dialing of a telephone number outside the local calling area by using initial code numbers to make a direct connection abbr. DDD * * * a telephone network service feature enabling customers to direct dial their long distance calls. * * …   Useful english dictionary

• direct distance dialing — a telephone network service feature enabling customers to direct dial their long distance calls. * * * …   Universalium

• direct distance dialing —    Abbreviated DDD. Use of the normal long distance telephone system without the need for the intervention of an operator …   Dictionary of networking

• Direct Distance Dialing —    (DDD)    Automatically establishes toll calls in response to signals from the calling device of the originating customer without telephone company operator intervention …   IT glossary of terms, acronyms and abbreviations

• Long distance — in telecommunications, refers to telephone calls made outside a certain area, usually characterized by an area code outside of a local call area (known in the United States as a local access and transport area or LATA). Long distance calls… …   Wikipedia

• long distance — Synonyms and related words: DDD, PBX operator, apart, asunder, at a distance, away, busy signal, buzz, call, central, dial tone, direct distance dialing, distal, distant, exotic, far, far off, faraway, local call, long distance call, long range,… …   Moby Thesaurus

• subscriber trunk dialing —    A non American term for direct distance dialing …   IT glossary of terms, acronyms and abbreviations

• direct-dial — /di rekt duy euhl, duyl , duy /, v.i., v.t. 1. to make a telephone call outside the local area without the assistance of an operator. adj. 2. being a telephone or telephone system enabling long distance calls to be direct dialed. 3. of or… …   Universalium

• direct-dial — /di rekt duy euhl, duyl , duy /, v.i., v.t. 1. to make a telephone call outside the local area without the assistance of an operator. adj. 2. being a telephone or telephone system enabling long distance calls to be direct dialed. 3. of or… …   Useful english dictionary

• DDD — • direct distance dialing …   Maritime acronyms and abbreviations