WOW.com Web Search

  1. Ads

    related to: phone system price quotes

Search results

  1. Results from the WOW.Com Content Network
  2. Breakup of the Bell System - Wikipedia

    en.wikipedia.org/wiki/Breakup_of_the_Bell_System

    The breakup of the Bell System resulted in the creation of seven independent companies that were formed from the original twenty-two AT&T-controlled members of the System. [5] On January 1, 1984, these companies were NYNEX, Pacific Telesis, Ameritech, Bell Atlantic, Southwestern Bell Corporation, BellSouth, and US West. NYNEX, merged with Bell ...

  3. Plain old telephone service - Wikipedia

    en.wikipedia.org/wiki/Plain_old_telephone_service

    Plain old telephone service. Plain Old Telephone Service ( POTS ), or Plain Ordinary Telephone System, [1] is a retronym for voice-grade telephone service employing analog signal transmission over copper loops. Originally POTS stood for Post Office Telephone Service as early phone lines in most parts of the world were operated directly by the ...

  4. VoIP phone - Wikipedia

    en.wikipedia.org/wiki/VoIP_phone

    VoIP phone. A VoIP phone or IP phone uses voice over IP technologies for placing and transmitting telephone calls over an IP network, such as the Internet. [1] This is in contrast to a standard phone which uses the traditional public switched telephone network (PSTN). Digital IP-based telephone service uses control protocols such as the Session ...

  5. Consolidated Tape Association - Wikipedia

    en.wikipedia.org/wiki/Consolidated_Tape_Association

    Included in every trade and quote message is a timestamp which represents the time that the message is disseminated. Every trade and quote is stored in the system for both on-line and after hours processing. Each system maintains a master database by symbol. CTS maintains in its database, by symbol, a consolidated high, low, last price and ...

  6. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    The system re-used six frequencies in the 450 MHz band in nine sites. In the UK, Channel Islands and elsewhere the "Rabbit" phone system was briefly used, being a hybrid of "cell" base stations and handsets. One major limitation was that you had to be less than 300 feet (91 m) feet (closer with buildings) from a base due to power limitations on ...

  7. Secure Terminal Equipment - Wikipedia

    en.wikipedia.org/wiki/Secure_Terminal_Equipment

    Secure Terminal Equipment ( STE) is the U.S. government's current (as of 2008 ), encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer higher speeds of up to 128 kbit/s and are all digital. The greater bandwidth allows higher quality voice and can also be ...

  1. Ads

    related to: phone system price quotes