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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".
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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 ...
BT Home Hub 1.5: was supplied with the BT Hub Phone 1020 (The only difference between the 1010 and the 1020 was the lack of the colour screen and supporting features on the 1020.) BT Home Hub 2.0: was supplied with the BT Hub Phone 2.1; The BT Home Hub 3 and 4 do not work with the BT Broadband Talk service or DECT telephones. [14]
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 ...
It was later referred to as the type A handset mounting. The release of the new hand telephone set uncovered mechanical flaws, so that a new base was designed to replace the shortened candlestick. The result was the type B handset mounting introduced later in 1927. It still retained a circular footprint of the base, but improved on the esthetic ...
Digital Access Signalling System 1 (DASS1) (obsolete) Digital Access Signalling System 2 (DASS2) (obsolete) QSIG (the ISO equivalent of DPNSS, uses the Q.931 and ROSE protocols. It is widely used in the rest of Europe). Digital Subscriber System No. 1 (DSS1) The ISDN PBX interface is most often used for (new) PRA connected PBX
A Trimphone, viewed from the side. The handset cradle functioned as a carrying handle when the receiver was off the hook, and the coiled cord in theory allowed the phone to be carried around. The Trimphone is a model of telephone designed in the early 1960s in the UK, the first prototypes appearing in 1965.