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  2. Wholesale line rental - Wikipedia

    en.wikipedia.org/wiki/Wholesale_line_rental

    Wholesale line rental (WLR) is a service in which a telecommunications operator takes control of all the connections made through a telephone line from the native operator and collects the subscription fee from the subscribers. [1] [2]

  3. 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 ...

  4. Local-loop unbundling - Wikipedia

    en.wikipedia.org/wiki/Local-loop_unbundling

    By 14 January 2006, 210,000 local loop connections had been unbundled from BT operation under local loop unbundling. Ofcom had hoped that 1 million local loop connections would be unbundled by June 2006. However, as reported by The Register [5] on 15 June 2006, the figure had reached only 500,000, but was growing by 20,000 a week.

  5. Cost estimate - Wikipedia

    en.wikipedia.org/wiki/Cost_estimate

    A cost estimate is the approximation of the cost of a program, project, or operation. The cost estimate is the product of the cost estimating process. The cost estimate has a single total value and may have identifiable component values. A problem with a cost overrun can be avoided with a credible, reliable, and accurate cost estimate. A cost ...

  6. Telecommunications in Jersey - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_in_Jersey

    Jersey is part of the UK's National Telephone Numbering Plan, which means the island shares the UK's international dialling code +44. [5]4G license operators in the island are obligated to provide a 2 Mbit/s download speed to 95% of the island population 90% of the time.

  7. Basis of estimate - Wikipedia

    en.wikipedia.org/wiki/Basis_of_estimate

    A pivot table in BOEMax, a Basis of Estimate software package. To create a BOE companies, throughout the past few decades, have used spreadsheet programs and skilled cost analysts to enter thousands of lines of data and create complex algorithms to calculate the costs. These positions require a high level of skill to ensure accuracy and ...

  8. Digital access carrier system - Wikipedia

    en.wikipedia.org/wiki/Digital_Access_Carrier_System

    The first subscriber's phone (called the 'audio customer') would be connected as normal. The second subscriber (called the 'carrier customer') would have his phone calls modulated on to an RF carrier or Carrier wave on the same physical phone line at around 40 kHz – high enough not to be noticeable to the audio customer.

  9. British telephone socket - Wikipedia

    en.wikipedia.org/wiki/British_telephone_socket

    A domestic single British telephone line installation will have a single master socket or line box in the premises, which is provided by BT or another service provider: this socket is the demarcation point between the customer-owned and maintained on-premises wiring, and the telephone network.