The SIP-T20P (2 Lines, PoE- HD Phone). It is equipped with TI TITAN chipset and 2x15 characters LCD, offers 2 VoIP accounts, high-definition voice, broad range of voice codecs, security protection for privacy, rich features including XML phonebook, headset, PoE, PnP Auto-provision, and seamlessly work with the leading IP-PBX and soft switch. Compatible with Seamless-Communications and platforms.
The Yealink SIP-T23G is a cost effective IP phone, featuring a 132x64 pixel graphical LCD, two-port gigabit ethernet switch, PoE support, up to 3 SIP accounts, and dual-color LEDs. - not supported - supported