An official website of the United States government
Here’s how you know
Official websites use .gov A
.gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS A
lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
Voice over Internet Protocol (VoIP) is a technology for communicating using "Internet protocol" instead of traditional analog systems. Some VoIP serv...
If your cable provider charges you, as a subscriber, for services or equipment you did not affirmatively request, you may have experienced "negative ...
Portable interconnected Voice over Internet Protocol (VoIP) services can be used from virtually any internet connection anywhere, which raises challe...
With a few exceptions, cable television service providers can offer whatever channels they choose. Cable companies negotiate agreements with televisi...
The V-chip allows parents or other caregivers to block programming on their TVs that they don't want children to watch. Most programs are assigned a ...
Cable operators with all-digital systems may encrypt their services. If your cable operator chooses to encrypt its services, you will need a set-top ...
Most satellite subscribers can receive television broadcast channels that originate within their local area, but some channels that are broadcast in ...