direct dial telephone
1direct-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… …
2direct-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… …
3direct-dial — di′rect di′al or direct′ di′al v. i. v. t. tgp to call by telephone without the assistance of an operator …
4Direct inward dialing — (DID), also called direct dial in (DDI) in Europe and Oceania, is a feature offered by telephone companies for use with their customers private branch exchange (PBX) systems. In DID service the telephone company provides one or more trunk lines… …
5Direct 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… …
6Direct Inward Dialing — (DID), also called Direct Dial In (DDI) in Europe, is a feature offered by telephone companies for use with their customers PBX systems, whereby the telephone company (telco) allocates a range of numbers all connected to their customer s PBX. As… …
7Telephone Number Mapping — (ENUM or Enum, from E.164 NUmber Mapping) is a suite of protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS by using an indirect lookup method, to obtain NAPTR records. The records are stored at a DNS… …
8Telephone numbers in the United Kingdom — +44 redirects here. For the band, see +44 (band). United Kingdom telephone numbers Location of United Kingdom (dark green) Location Country United Kingdom Continent …
9Telephone numbering plan — Area Code redirects here. For the song by Ludacris, see Area Codes (song). A telephone numbering plan is a type of numbering scheme used in telecommunications to allocate telephone numbers to subscribers and to route telephone calls in a… …
10Telephone switchboard — PBX switchboard, 1975 A switchboard (also called a manual exchange) was a device used to connect a group of telephones manually to one another or to an outside connection, within and between telephone exchanges or private branch exchanges (PBXs) …
