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  2. Trimphone - Wikipedia

    en.wikipedia.org/wiki/Trimphone

    Another problem with the dial version of the Trimphone was its light weight, 0.8 kg (1.8 lb) compared with 1.4 kg (3.1 lb) for the 700-type and 2.6 kg (5.7 lb) for the 300-type telephone. This led to the complaint that on slippery surfaces the telephone turned and slid whilst dialling.

  3. BT Versatility - Wikipedia

    en.wikipedia.org/wiki/BT_Versatility

    The BT Versatility is a telephone PBX switchboard sold by BT and targeted at small businesses. It is manufactured by Taratel Communications previously Lake Communications in Ireland as the OfficeLink .

  4. BT Fusion - Wikipedia

    en.wikipedia.org/wiki/BT_Fusion

    BT Fusion was an example of one type of telecommunication convergence. [citation needed] From the base station, at-home calls were connected to the phone network using an ADSL broadband connection; only those with BT Broadband connections were eligible for the service. Voice over IP protocols were used to transmit the call, but this was ...

  5. British telephone socket - Wikipedia

    en.wikipedia.org/wiki/British_telephone_socket

    The RJ11 female port provided on the filter case simply connects the DSL router directly to the phone line (most DSL filters have a socket marked DSL or ADSL that just connects the DSL line pair directly through to the incoming phone line pair via the BT plug, without any filtering or processing of any kind).

  6. BT Smart Hub - Wikipedia

    en.wikipedia.org/wiki/BT_Smart_Hub

    With each BT Home Hub released up to 2.0, a new phone model was made to accompany it: BT Home Hub 1.0: was supplied with the BT Hub Phone 1010; 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.)

  7. Rabbit (telecommunications) - Wikipedia

    en.wikipedia.org/wiki/Rabbit_(telecommunications)

    Rabbit was a British location-specific telephone service backed by Hutchison, which later created the Orange GSM mobile network, followed by 3.The Rabbit network was the best-known of four such services introduced in the 1980s, the others being BT Phonepoint, Mercury Callpoint and Zonephone.

  8. Push-button telephone - Wikipedia

    en.wikipedia.org/wiki/Push-button_telephone

    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 ...

  9. Telephone magneto - Wikipedia

    en.wikipedia.org/wiki/Telephone_magneto

    A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature. In early telegraphy , magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and activate signals ...