Which of the following is not true regarding Internet telephony?

A) For some people, the Internet is a great option for making and receiving both local and international calls for free or a small fee.
B) Schools use telephony services for conducting online classes.
C) Not only do individuals use telephony services to keep in touch over long distances, but companies use them for videoconferencing between offices.
D) VoIP phoning, uses the Internet for phone calls to individuals or for video conferencing.

D