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  2. 1-5-7-1 - Wikipedia

    en.wikipedia.org/wiki/1-5-7-1

    In 2001, BT Group launched its Answer 1571 service as a free service, available at no extra cost to its existing telephone line customers. In 2007 a charge of £1 was introduced for any month in which two chargeable calls are not made on the line (this might apply, for instance, to people who have Carrier preselect with another telephone ...

  3. Local-loop unbundling - Wikipedia

    en.wikipedia.org/wiki/Local-loop_unbundling

    Most LLU operators only unbundle the broadband service, leaving the traditional telephone service using BT's core equipment (with or without the provision of carrier preselect). When the traditional telephone service is also unbundled (full LLU), operators usually prohibit selected calls being made with the networks of other telephone providers ...

  4. Dial-up Internet access - Wikipedia

    en.wikipedia.org/wiki/Dial-up_Internet_access

    Broadband does not require the exclusive use of a phone line, and thus one can access the Internet and at the same time make and receive voice phone calls without having a second phone line. However, many rural areas remain without high-speed Internet, despite the eagerness of potential customers. This can be attributed to population, location ...

  5. BT announces regional rollout plans for digital landline ...

    www.aol.com/bt-announces-regional-rollout-plans...

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  6. Digital access carrier system - Wikipedia

    en.wikipedia.org/wiki/Digital_Access_Carrier_System

    DSL broadband internet connections cannot work on a DACS line as they rely on a copper pair running all the way to the telephone exchange. Since BT's traditional telephone line service is contractually only required to support voice and fax communication, BT are not obliged to remove a DACS because of problems with 56 kbit/s modems.

  7. Naked DSL - Wikipedia

    en.wikipedia.org/wiki/Naked_DSL

    The incumbent network operator, BT plc, have previously claimed there was not sufficient demand from ISPs to provide a Naked DSL service. Openreach are currently trialing a product called SOGEA (Single Order Generic Ethernet Access) which is a VDSL2 Profile 17a service without POTS.

  8. Federal broadband maps show vast disparities in internet ...

    www.aol.com/news/federal-broadband-maps-show...

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  9. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    Marconi System X originally developed by the British Post Office (later BT), GEC, Plessey and STC, is a type of digital exchange used by BT Group in the UK public telephone network. A digital exchange (Nortel DMS-100) used by an operator to offer local and long-distance services in France. Each switch typically serves 10,000–100,000 ...