Fanvil X303-2 Wire IP Phone is an upgraded version of the original IP phone, featuring a brand-new power and network supply method using a 2-wire connection. This allows for complete reuse of old wiring while offering high-definition voice, a 2.4-inch color display, support for 4 SIP accounts, 2-wire power and network supply, multi-party conferencing, and other rich features. Additionally, it supports external EHS wireless headsets and other expansion functions, making it suitable for various enterprise application scenarios and providing an excellent user experience.