trunk telephone network
1public switched telephone network — (PSTN) The complete public telephone system, including trunk lines, exchanges, and telephones …
2Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …
3Telephone 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… …
4telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …
5Telephone numbers in New Zealand — New Zealand telephone numbers Location Country New Zealand Continent Oceania Access codes Country calling +64 International prefix 00 …
6Telephone number — A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short as few as one, two or three digits and were… …
7Telephone call — A telephone call is a connection over a telephone network between the calling party and the called party. Information transmissionA telephone call may carry ordinary voice transmission using a telephone, data transmission when the calling party… …
8Telephone — The telephone (from the el. τῆλε, tēle , far and φωνή, phōnē , voice ) is a telecommunications device that is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of… …
9Telephone numbers in Singapore — The Singapore telephone numbering plan, also known as the National Numbering Plan, is regulated by the Numbering Management Department of the Infocomm Development Authority of Singapore (IDA), taking over the role from the Telecommunications… …
10Telephone numbers in Belgium — Country Code: 32 International Call Prefix: 00A telephone number in Belgium is a sequence of nine or ten numbers dialled on a telephone to make a call on the telephone network in Belgium. Belgium is under a closed telephone numbering plan, but… …
