The two-way transmission of voice over a packet-switched IP network, which is part of the TCP/IP protocol suite. The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term ...

CNET's Maggie Reardon discusses the short-term hurdles associated with the deployment of voice service over carriers' 4G LTE networks. In the end, the transition to an all IP-based voice network will ...