The Poly SoundPoint IP 650 is a VoiP device in the highest class with 2 ethernet ports, HD voice for the best sound quality and suitable for 6 lines.
Poly SoundPoint IP 650 specifications:
HD Voice for the best sound quality
Illuminated LCD screen of 320 x 160 pixels
Up to 6 lines
2 x 100 mbps LAN
Power supply via PoE
VoIP via SIP