a phone that is designed to work using

a phone which plugs into any network socket on your computer LAN

a telephone transporting voice using grouping data package of IP protocol

A telephone handset that is specially designed for a VOIP phone system. IP Phones are not connected to traditional phone lines but instead have ports to connect to a broadband Internet connection. IP Phones are designed to support the many unique features that a VOIP network makes possible.

A phone that sends traffic over a TCP/IP network (often an H.323 or terminal).

A telephone that can receive and transmit voice by VoIP.

Looks like an ordinary phone but connects to an IP router with an RJ-45 Ethernet connector. These phones run software that allows them to handle VoIP calls without going through an ATA.