What is the benefit of IP phones? IP phone system, also known as voice over internet protocol, is a way and a group of technologies for delivery of voice and multimedia sessions via internet protocol (IP network). Broadband telephone, IP telephony and broadband phone refer to the provision of communication services (voice messaging (fax) SMS, voice messaging and audio messages) through the internet or private connections. This is in addition to the public switched phone network (PSTN). https://www.datavox.ae/yealink-ip-pho...