Search results
Results from the WOW.Com Content Network
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".
KX100 telephone box with 1991 branding. The KX series of telephone boxes in the United Kingdom was introduced by BT (British Telecom) in 1985. Following the privatisation of BT in 1984, the company decided to create a newly designed and improved take on the British telephone box, which at this point consisted of only red telephone boxes which BT had recently acquired, the most common being the ...
Replicas of British red telephone boxes in South Lake, Pasadena, California Classic style mid-20th century US telephone booth in La Crescent, Minnesota, May 2012. A telephone booth, telephone kiosk, telephone call box, telephone box or public call box [1] [2] is a tiny structure furnished with a payphone and designed for a telephone user's convenience; typically the user steps into the booth ...
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 ...
The Tele. 162 Handset Micro Telephone, was the first UK phone to incorporate the transmitter and receiver into a single unit, 'The Handset', which had not been used on telephones in the UK since the very early metal and wood cased models, and the BPO preference for a separate transmitter and Bell receiver, as on the Tele. 150 and Tele. 121.
The Croydon boxes, painted bright yellow with a black handset silhouette, were erected as an experimental prototype to replace the red telephone boxes. However, although the trials were successful, the quality of the materials and design made it too expensive for the Post Office to mass-produce, and the design was not adopted.
A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...
Originally, lineman's handsets featured a rotary dial, but modern sets use some variant of the standard 12-button DTMF keypad and also employ an amplifier for speaker use. Most handsets are designed to be used with analog "POTS" lines, and have limited or no function with digital circuits. Older telephone linemen also referred to the handset as ...