IP 6000 VoIP SIP conference telephone, 1 x Fast Ethernet, PoE required, AC optional, 248x68 pixel LCD, built-in 12 foot range microphone, HD audio, 2.5mm applications port, 12-key keypad, add up to two expansion microphones, SKU #2215-07155-001. Note: The IP 6000 will connect to a PoE switch but it will not work with a generic universal PoE injector. Optional AC power supply, SKU #2200-42740-001.