Advanced telecommunication technology.
TrueVoIP advanced technology allows voice traffic to be transmitted over an IP network, such as the public internet.

However, with a recent advances with the voice over IP service, now it's possible to allow for TrueVoIP calls to connect directly to the basic telephone system so that internet calls can be made or received to or from any telephone number in the world using a regular telephone and without the need to having an internet connection or a computer.