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What Is a Toll-Free Number and How Does it Work
May 26 2011
Background Toll-free numbers are numbers that begin with one of the following three-digit codes:...
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Voice Over Internet Protocol (VoIP)
May 26 2011
Background Voice over Internet Protocol (VoIP) is a technology for communicating using “Internet...
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VoIP and 911 Service
May 26 2011
The ability to access emergency services by dialing 911 is a vital component of public safety and...
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Using Wireless Devices on Airplanes
May 25 2011
Federal Communications Commission rules prohibit the use of cellular phones using the 800 MHz...
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Understanding Wireless Telephone Coverage Areas
May 25 2011
Background Wireless telephones work by communicating via radio waves using a system of base...
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Use of TTY Devices with Digital Wireless Phones
May 24 2011
Text telephone devices (TTYs or TDDs) are used by people with hearing or speech disabilities to...
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Troubleshooting Guide for Digital-to-Analog Converter Boxes and Digital Televisions
May 24 2011
Background The digital television (DTV) transition refers to the switch from analog to digital...
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Understanding Your Telephone Bill
May 24 2011
Background Consumers are sometimes confused by the various charges and items on their monthly...
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Tips for Avoiding Bill Shock on Your Mobile Phone
May 24 2011
Without automatic usage alerts, it can be hard to know when you're running up a surprisingly high...
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Amber Plan (America's Missing Broadcast Emergency Response)
May 23 2011
Background The AMBER Plan, a feature of the Emergency Alert System (EAS), aids in the rescue of...
