The Yealink SIP-T31G is a feature-rich, entry-level Gigabit IP phone designed for business efficiency. It features 2 SIP accounts, a 2.3-inch 132x64-pixel graphical LCD with backlight, dual-port Gigabit Ethernet, and Power over Ethernet (PoE) support. It offers HD audio with Smart Noise Filtering Technology, 5-way local conferencing, and supports EHS headsets.