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  2. Hoot-n-holler - Wikipedia

    en.wikipedia.org/wiki/Hoot-n-holler

    Either way, the hoot system can be broadcast over traditional microphone and speaker box hardware, or through a trading turret or other office phone system. After the 1987 Stock Market Crash , regulatory authorities in the United States created a hoot-n-holler-based communication system known as INFOE to provide a continuous link between NASDAQ ...

  3. TTEC - Wikipedia

    en.wikipedia.org/wiki/TTEC

    In recent years TTEC grew its business through a variety of acquisitions, including: 2022: Faneuil; 2021: Avtex [9]; 2020: VoiceFoundry [10]; 2017: Connextions [11]; 2017: Motif India infotech [12]

  4. Home Depot - Wikipedia

    en.wikipedia.org/wiki/Home_Depot

    This is an accepted version of this page This is the latest accepted revision, reviewed on 8 February 2025. American multinational home improvement supplies retailing company The Home Depot, Inc. An aerial view of a Home Depot in Onalaska, Wisconsin Company type Public Traded as NYSE: HD DJIA component S&P 100 component S&P 500 component Industry Retail (home improvement) Founded February 6 ...

  5. Cordless telephone - Wikipedia

    en.wikipedia.org/wiki/Cordless_telephone

    Virtually all new cordless phones sold in the US use DECT 6.0 on the 1.9 GHz band, though legacy phones can remain in use on the older 900 MHz, 2.4 GHz and 5.8 GHz bands. There is no specific requirement for any particular transmission mode on the older bands, but in practice many legacy phones also have digital features such as DSSS and FHSS .

  6. AT&T Merlin - Wikipedia

    en.wikipedia.org/wiki/AT&T_Merlin

    A door phone controller (DAC-1Z) can be connected to your Merlin Plus system to allow employees to answer calls made from a business entrance. It is connected directly to a CO line port on the Merlin Plus control unit. Callers using the door phone can press a button at the building entrance to ring a telephone in your Merlin Plus system.

  7. Business telephone system - Wikipedia

    en.wikipedia.org/wiki/Business_telephone_system

    Key was a Bell System term of art for a customer-controlled switching system [1] such as the line buttons on the phones associated with such systems. The electrical components that allow for the selection of lines and features such as hold and intercom are housed in a panel or cabinet, called the key service unit or key system unit (KSU). [2]

  8. Telecommunications relay service - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_relay...

    A typical relay service conversation. A telecommunications relay service, also known as TRS, relay service, or IP-relay, or Web-based relay service, is an operator service that allows people who are deaf, hard of hearing, deafblind, or have a speech disorder to place calls to standard telephone users via a keyboard or assistive device.

  9. Ratchet (device) - Wikipedia

    en.wikipedia.org/wiki/Ratchet_(device)

    A ratchet consists of a round gear or a linear rack with teeth, and a pivoting, spring-loaded finger called a pawl (or click, in clocks and watches [1] [2]) that engages the teeth. The teeth are uniform but are usually asymmetrical , with each tooth having a moderate slope on one edge and a much steeper slope on the other edge.