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A ringback number is a telephone number for a telephone line that automatically calls the line that the call was placed from, after the caller has hung up. The typical use of this facility is by telephone company technicians for testing a new installation or for trouble-shooting.
The Answer 1571 service, a cut-down version of BT Group's Call Minder service, allows a calling party to leave messages when the called party is engaged or does not answer within a fixed number of rings. The system allows for the storage of up to 20 messages, each of which can be up to 2 minutes long, for up to 60 days (or 20 days once they ...
This plate is fitted by the consumer inside the NTE 5 and reduces interference carried by the 3rd (bell) wire. The reduced interference allows faster broadband speeds - BT claim a speed improvement of up to 1.5 Mbit/s with a theoretical 4 Mbit/s. By November 2009 BT were calling the I-plate a "BT Broadband Accelerator".
For example, in the UK, users can order a 7:30 am alarm call from a BT telephone exchange by dialing: 55 0730#. [8] In the Americas and a number of other countries, most dials and, later, keypads also bear letters according to the following system: A standard telephone keypad
Up to 4.26p a minute (plus VAT), but fixed (e.g. always 3p/minute or always 4p/minute) from BT landline, other providers may charge more; up to 42p a minute from mobiles. 0843 xxx xxxx 0844 00x xxxx Non-BT Discount Scheme—Internet Services incorporating unmetered access up to and including 5p for BT customers 0844 01x xxxx to 0844 09x xxxx
0800 later used for BT Freefone numbers - usage of BT 9-digit 0800 numbers continued after the Big Number Change; all new 0800 allocations have 10 digits and multiple operators now issue 0800 numbers. 01801 — unused; 0801 was Thrapston, Oundle – – Was originally 0085 (OU5) until changed to 0801 in 1968 – numbers were transferred to 0832 ...
Wireplay was built in to various PC games to allow players to engage in multiplayer online play via a closed dial-up network/service. [1] A lag of 105 milliseconds was achieved assuming players met the minimum requirements of a BT landline, a PC with an Intel Pentium 486 processor and a 9600bit/s modem.
Landline service is typically provided through the outside plant of a telephone company's central office, or wire center. The outside plant comprises tiers of cabling between distribution points in the exchange area, so that a single pair of copper wire, or an optical fiber, reaches each subscriber location, such as a home or office, at the network interface.