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Compare Poly Edge B Series Phones
Active Noise Cancelation 2 2 N/A
Lines Lines, contacts: 2 displayed / 8 supported Lines, contacts: 2 displayed / 8 supported Lines, contacts: 4 displayed / 16 supported
Ethernet 2 x 10 / 100 Mbps 2 x 10 / 100 Mbps 2 x GigE
Power Power adapter included (POE not supported) Power over ethernet (POE) Power Over Ethernet (PoE)
Display 2.8" (71 mm) monochrome 2.8" (71 mm) monochrome 2.8" (71 mm) Monochrome
Wideband Technology Poly HD / 7 Khz on All Audio Paths Poly HD / 7 Khz on All Audio Paths Poly HD / 7 Khz on All Audio Paths
Headset Ports 3.5 mm, RJ9, EHS 3.5 mm, RJ9, EHS 3.5 mm, RJ9, EHS
Energy Star Rated