Polycom VVX 410 12-Line Desktop Phone (Power Supply Included) 3.5" TFT (320 x 240) 12 lines (programmable line keys) HD Voice up to 7KHz on all audio paths (Speaker, Handset, Headset) 2x Ethernet 10/100 or GigE Hard Keys: 12-key dial pad, home, speaker, mute, headset, volume, messages, hold, transfer