It is also known as ATA adapters." They allow you to plug in a standard telephone to the adapter, connect your high speed internet connection, connect the power and start making long distance phone calls. Basically you plug in you regular home phone in to a data network to send and receive phone calls. Various special VoIP ATA adapters feature-rich telephone service over your cable or DSL Internet connection."
VoIP adapter is less expensive than VoIP phone.
So basically, with VoIP adapter, you can convert regular phone into an internet phone or Skype phone economically
Source(s):
http://ezinearticles.com/?VoIP-Adapters&id=2337655
http://www.howvoipworks.com/voip-adapters.htm

Permalink | Report