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"How does Caller ID work?"  26 June 2000.  HowStuffWorks.com. <http://electronics.howstuffworks.com/question409.htm>  10 February 2012.
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Gadgets Deconstructed

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Inside this Article
  1. How does Caller ID work?
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More Great Links

  • Caller ID FAQ
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Prices: Phones With Caller ID

  • At&amp;t 1080 4 Line Business Phone W/ Answering Caller Id
    At&t 1080 4 Line Business Phone W/ Answering Caller Id

    A hearing-aid compatible device the AT&T 1080 phone promises excellent clarity and range. Featuring the Do Not Disturb option this AT&T 4-lines corded phone helps you ward off unwanted calls from persistent marketing people. Built with the Audio Assist technology, this AT&T corded phone allows you increase the volume with the help of an equalizer. If you wish to make or answer a call, the AT&T 1080 phone automatically selects the available line. Equipped with the caller ID/call waiting features, this AT&T 4-lines corded phone keeps you updated with the contact numbers of people who were trying to reach you. The caller ID memory of this AT&T corded phone lets you store up to 200 numbers.

    $162.95

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