Poly VVX 311P VoIP SIP telephone,

VVX 311P VoIP SIP telephone, 2 x Gigabit Ethernet, 6 x line keys, PoE required, AC optional, 208×104 pixel backlit LCD, HD audio, RJ9 headset jack, EHS support for specific Jabra and Plantronics headsets (EHS cable required), add up to three expansion modules (sidecar / attendant console), SKU #2200-46300-025 or SKU #2200-46350-025. Optional AC power supply, SKU #2200-17670-001/5. Note: Not compatible with VVX camera, SKU #2200-46200-025, upgraded memory and processor compared to VVX 310P, requires firmware version 5.4 and above.