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  2. OpenBTS - Wikipedia

    en.wikipedia.org/wiki/OpenBTS

    These including some CDMA handsets - making a GSM gateway to a CDMA network. Computer security researcher Chris Paget reported [ 7 ] that a handheld device, such as an Android phone, could act as a gateway base station to which handsets can connect; the Android device then connects calls using an on-board Asterisk server and routes them to the ...

  3. Lineman's handset - Wikipedia

    en.wikipedia.org/wiki/Lineman's_handset

    A lineman's handset typically connects via a pair of test leads, not the modular connector found on most consumer telephone equipment. The test leads will feature some combination of alligator clips (to connect to bare wires), a piercing spike or "bed-of-nails" (for insulated wires), and something designed to fit a punch block.

  4. Airwave Solutions - Wikipedia

    en.wikipedia.org/wiki/Airwave_Solutions

    Airwave was established in 2000 by BT as BT Airwave. [4] BT Airwave along with BT Quadrant secured a Public Private Partnership (PPP) contract worth £2.5bn to supply of Professional Mobile Radio (PMR) communications to the police and other ‘blue light’ services. [5]

  5. 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.) BT Home Hub 2.0: was ...

  6. BT Versatility - Wikipedia

    en.wikipedia.org/wiki/BT_Versatility

    On the BT Systems this allows you to connect to BT's VOIP services as trunks and provides the ability to connect VOIP extensions using the V-IP Feature Phone. The BROADBAND MODULE has the following features: Wide Area Networking; Local Area Networking - providing a 4 port hub; Wireless Local Area Networking; Multi-user Internet Access; ADSL ...

  7. Southwestern Bell - Wikipedia

    en.wikipedia.org/wiki/Southwestern_Bell

    [1] [2] It was consolidated under a single management unit of the Bell System with Southwestern Telegraph and Telephone Company of Texas and Arkansas, Pioneer Telephone and Telegraph Company of Oklahoma, and The Bell Telephone Company of Missouri on March 1, 1912. These companies comprised the "Southwestern System" of the Bell System.

  8. 1A2 Key Telephone System - Wikipedia

    en.wikipedia.org/wiki/1A2_Key_Telephone_System

    The most commonly used telephone sets for the 1A2 systems were modifications of the Bell System standard 500-series telephones for rotary dial systems, and the 2500-series Touch-Tone desk sets. For key system operation these sets were equipped with a set of push-buttons ( keys ) and additional internal contact springs to control the additional ...

  9. 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.

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