34 relations: Belfast, Big Number Change, Bristol, Caller ID, Cardiff, Central London, Coventry, Director telephone system, E.123, Easter, Greater London, ITU-T, Leeds, Leicester, List of dialling codes in the United Kingdom, London Transport (brand), Mobile phone, Northern Ireland, Nottingham, Ofcom, PhONEday, Portsmouth, Public switched telephone network, Reading, Berkshire, Sheffield, Signwriter, Southampton, Subscriber trunk dialling, Telecommunications in the United Kingdom, Telefónica Europe, Telephone number, Telephone numbering plan, Trunk prefix, 020.
Belfast (is the capital city of Northern Ireland, located on the banks of the River Lagan on the east coast of Ireland.
The Big Number Change addressed various issues with the telephone dialing plan in the United Kingdom, during the late-1990s and early-2000s.
Bristol is a city and county in South West England with a population of 456,000.
Caller ID (caller identification, CID), also called calling line identification (CLID), Calling Line Identification (CLI), calling number delivery (CND), calling number identification (CNID), calling line identification presentation (CLIP), or call display, is a telephone service, available in analog and digital telephone systems, including VoIP, that transmits a caller's telephone number to the called party's telephone equipment when the call is being set up.
Cardiff (Caerdydd) is the capital of, and largest city in, Wales, and the eleventh-largest city in the United Kingdom.
Central London is the innermost part of London, in the United Kingdom, spanning several boroughs.
Coventry is a city and metropolitan borough in the West Midlands, England.
In a large city there may be multiple telephone exchanges serving subscibers within the boundary of the telephone system for that city, e.g. Manchester.
E.123 is a standards-based recommendation by the International Telecommunications Union sector ITU-T, entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses.
Easter,Traditional names for the feast in English are "Easter Day", as in the Book of Common Prayer, "Easter Sunday", used by James Ussher and Samuel Pepys and plain "Easter", as in books printed in,, also called Pascha (Greek, Latin) or Resurrection Sunday, is a festival and holiday celebrating the resurrection of Jesus from the dead, described in the New Testament as having occurred on the third day of his burial after his crucifixion by the Romans at Calvary 30 AD.
Greater London is a region of England which forms the administrative boundaries of London, as well as a county for the purposes of the lieutenancies.
The ITU Telecommunication Standardization Sector (ITU-T) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU); it coordinates standards for telecommunications.
Leeds is a city in the metropolitan borough of Leeds, in the county of West Yorkshire, England.
Leicester ("Lester") is a city and unitary authority area in the East Midlands of England, and the county town of Leicestershire.
This is a list of telephone dialling codes in the United Kingdom.
London Transport (LT) was the public name and brand used by a series of public transport authorities in London, England, from 1933.
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
Northern Ireland (Tuaisceart Éireann; Ulster-Scots: Norlin Airlann) is a part of the United Kingdom in the north-east of the island of Ireland, variously described as a country, province or region.
Nottingham is a city and unitary authority area in Nottinghamshire, England, north of London, in the East Midlands.
The Office of Communications (Y Swyddfa Gyfathrebiadau), commonly known as Ofcom, is the UK government-approved regulatory and competition authority for the broadcasting, telecommunications and postal industries of the United Kingdom.
PhONEday was a change to the telephone dialing plan in the United Kingdom on 16 April 1995.
Portsmouth is a port city in Hampshire, England, mainly on Portsea Island, south-west of London and south-east of Southampton.
The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that are operated by national, regional, or local telephony operators, providing infrastructure and services for public telecommunication.
Reading is a large, historically important minster town in Berkshire, England, of which it is the county town.
Sheffield is a city and metropolitan borough in South Yorkshire, England.
Signwriters design, manufacture and install signs, including advertising signs for shops, businesses and public facilities as well as signs for transport systems.
Southampton is the largest city in the ceremonial county of Hampshire, England.
Subscriber trunk dialling (STD, also known as subscriber toll dialling) is a telephone system allowing subscribers to dial trunk calls without operator assistance.
Telecommunications in the United Kingdom have evolved from the early days of the telegraph to modern broadband and mobile phone networks with Internet services.
Telefónica Europe plc was a European broadband and telecommunications company that traded as O2 (typeset as O2).
A telephone number is a sequence of digits assigned to a fixed-line telephone subscriber station connected to a telephone line or to a wireless electronic telephony device, such as a radio telephone or a mobile telephone, or to other devices for data transmission via the public switched telephone network (PSTN) or other private networks.
A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints.
A trunk prefix is a digit sequence to be dialed before a telephone number to initiate a telephone call for the purpose of selecting an appropriate telecommunications circuit by which the call is to be routed.
020 is the national dialling code for London in the United Kingdom.