Yealink SIP-T23G, 3 Lines HD Professional VoIP Phone, 3SIP Accts, 3way conf., dual port Gigabit, PoE, BUNDLE of 2 Yealink SIP T23G features intuitive user interface and enhanced functionality which make it easy for people to interact and maximize productivity. Yealink HD technology enables rich, clear, life-like voice communications, outsourced management options, flexible deployment and third-party communications applications. Dual-port Gigabit Ethernet, PoE support, Up to 3 SIP accounts, IPv6 support, Supports Dual-color LEDs Integrated IEEE 802.3af Power-over-Ethernet allows easy deployment with centralized powering and backup. As a cost effective IP solution, it helps users to streamline business processes, delivery a powerful, security and consistent communication experience for small and large offices environment.