VoIP call termination occurs when telephone calls reroute from one service provider to another. Instead of using a PSTN, call termination uses the IP network to transfer and terminate calls from anywhere. VoIP call termination occurs when a call initiated using VoIP is terminated using a PSTN.
Wikipedia explains that VoIP call termination is more cost-efficient than using traditional public switched telephone networks. The service is customizable and is useful for businesses with international markets or office locations. VoIP call termination is a versatile service that offers around-the-clock support and is able to terminate calls from anywhere around the world.