1.
Which of the following is true of VoIP?
A
It uses the public switched telephone network.
B
It uses a slow speed dial-up connection.
C
All of the above
D
Skype is an example of VoIP software.
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Which of the following is true of VoIP?
It uses the public switched telephone network.
It uses a slow speed dial-up connection.
All of the above
Skype is an example of VoIP software.