IP Telephony or Internet Protocol Telephony is the transmission of voice signals over the Internet, wide area network (WAN), or local area network (LAN). IP Telephony uses voice-over-IP to break down voice transmissions into packets of data and transmitting them across a network.

Voice-over-Internet-Protocol or Voice-over-IP or VoIP allows one to send a voice transmission via a network instead of the standard telephone infrastructure. Calls can be routed via the Internet, wide area network (WAN), or local area network (LAN).

Our Frequently Asked Questions pages contain lots more information on VoIP and its associated technologies.