Question

what is the cheapest way for college students to call home?
a. a cell phone
b. a private phone line
c. a phone card
d. a voip service

Explanation:

VoIP (Voice - over - Internet Protocol) services typically offer lower costs for long - distance calls compared to traditional phone services like cell phones (which may have minute - based or data - based charges), private phone lines (which often have fixed monthly fees and per - minute charges for long - distance), and phone cards (which have per - minute costs). VoIP uses the internet to transmit voice data, and many VoIP services offer free or very low - cost calls, especially for calls over the internet.

Answer:

D. A VoIP service