Which of the following is an Internet-based telephone service that allows PC and Mac users to place telephone calls between any two geographic locations worldwide for free?
A)Face Time
B)Windows Messenger
C)Skype
D)AOL Instant Messenger

Question

Quizplus · Accepted Answer

Skype is a voice-over-Internet service, downloaded as an application on a computer, that allows users to make voice or video phone calls anywhere in the world for free between Skype accounts. Skype users can also call landlines and cellphones for a small fee. It is an increasingly common mode of communication in the business world because of the vast expense it can save companies who must communicate internationally.

Which of the Following Is an Internet-Based Telephone Service That