Carrier Preselect
Encyclopedia
Carrier preselect is a term relating to the telecommunication
s industry. It is the process whereby a telephone subscriber whose telephone line is maintained by one company, usually a former monopoly
provider (e.g. BT), can choose to have some of their calls automatically routed across a different telephone company's network (e.g. Talk Talk) without needing to enter a special code or special equipment.
Telecommunication
Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...
s industry. It is the process whereby a telephone subscriber whose telephone line is maintained by one company, usually a former monopoly
Monopoly
A monopoly exists when a specific person or enterprise is the only supplier of a particular commodity...
provider (e.g. BT), can choose to have some of their calls automatically routed across a different telephone company's network (e.g. Talk Talk) without needing to enter a special code or special equipment.