-It supposes a significant saving of money in comparison to other proposals that realize their same function.
-It gives the possibility that not only two people can participate in communication, but many more. You can do “meetings” in a group.
-VoIP devices can be used anywhere in the world.
Cons of Voice over internet protocol
-You can present failures at some time during the communication, and that translates into cuts.
-It may happen that the connection does not reach one of the two parties.