Which of the following statements are true about VoIP?

I. VoIP traffic is transported over the circuit-switchedtelephone network.

II. VoIP has enhanced the prominence of circuit-switchingtechnology.

III. VoIP is causing the convergence of the circuit-switched andpacket-switched networks.

IV. The logical conclusion of the growth of VoIP traffic is thatone day we may no longer need the traditional telephone network fortelephone conversations.

II, III, and IV

III and IV

III only

I, III, and IV