The Yealink SIP-T23GN is a money saving IP phone with HD audio and secure provisioning. The T23GN is suitable for users in small and large environments who require Gigabit Ethernet and access to enhanced features. Features include 132 x 64 pixel display, 3 programmable keys, 3 user accounts, headset port, handsfree speakerphone and local phonebook of 1000 entries.