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By 2003, aql had expanded into wholesale telecommunications, supplying UK phone numbers to the broadband industry to support IP telephony/VoIP services, [6] providing mobile messaging services and supplying wholesale messaging platforms to international and UK networks. The company is responsible for more than 94 million numbers on 42 different ...
"Regular Expressions for Validating and Formatting GB Telephone Numbers". aa-asterisk.org.uk. Archived from the original on 6 April 2014 – patterns for checking which area codes and prefixes are valid and patterns for formatting each number type, archived in 2014 "The first 25 years of UK STD code changes summarised" (PDF). Sam Hallas.
It provided the voice services to UK customers via 999, 118 500 and Next Generation Text Service, which helps those who can’t hear or speak on the phone. In April 2018, Gavin Patterson, then BT Group's CEO, announced Wholesale and Ventures was to be combined with the group's Business and Public Sector division into a newly-formed division, BT ...
Telephones on automatic exchanges had letters as well as numbers marked on the telephone dial, and calls to London numbers used the first three letters of the exchange name followed by four digits, e.g. EUS 1234. [2] The number could be dialled as 387-1234 or spoken to a manual exchange operator as Euston 1234.
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Telecommunications in the United Kingdom have evolved from the early days of the telegraph to modern fibre broadband and high-speed 5G networks. History Company logo on porch of 17 & 19 Newhall Street, Birmingham (former Central exchange) National Telephone Company (NTC) was a British telephone company from 1881 until 1911, which brought together smaller local companies in the early years of ...
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GEC Plessey Telecommunications (GPT) was a British manufacturer of telecommunications equipment, notably the System X telephone exchange. The company was founded in 1988 as a joint venture between GEC and the British electronics, defence and telecommunications company Plessey.