The Fanvil X303-2 Wire IP Phone is an improved version of the original IP phone, offering a brand new power and network supply via a 2-wire connection. This allows for the complete reuse of old cabling while providing HD voice quality, a 2.4-inch color display, support for 4 SIP accounts, 2-wire power and network supply, multiparty conferencing, and many other rich features. Additionally, it supports external EHS wireless headsets and other expansion options, making it suitable for various application scenarios in businesses and providing an excellent user experience.