A voice over IP (VoIP) service can improve your call quality and save you money compared with a traditional landline. These are the top VoIP services we've tested for home phone needs.

Fully global, end-to-end voice over IP (VoIP) is not yet practical for all organizations. But intra-office VoIP hardware can be deployed in data routers and managed with the same tools used to ...

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 ...

Especially for green-field sites and existing offices that are undergoing massive IT overhauls, VoIP offers single-wire simplicity and a one-stop management solution for all voice and data traffic.

Voice over IP (VoIP) is the descriptor for the technology used to carry digitised voice over an IP data network. VoIP requires two classes of protocols: a signaling protocol such as SIP, H.323 or MGCP ...

Voice over Internet protocol and public branch exchange systems -- VoIP and PBX, respectively -- are two ways of achieving the same end goal: to make and receive phone calls. Traditional PBX systems ...

Smartphone plans are tricky when it comes to voice service. You can either go overboard and have a thousand or more extra minutes that you won’t use every month, or lowball your usage and count your ...

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 ...