POLY EDGE B SERIESStylish design meets Poly pro-grade audio at a shockingly affordable price: That's what makes the Poly Edge B-Series IP Phones the genius choice for any growing business. Easy to use with illuminated keys where you need them most. Audio-enhancement technologies like Poly HD Voice and Acoustic Fence technology give you business-grade audio quality with no background noise. Service providers will love plug-and-play provisioning and cloud management capabilities. And these desk phones are hardcore reliable-exactly what you need to keep customers happy. It's pure value in a low-cost business phone. 
 - 2 line keys; 8 lines supported (Poly Edge B10/B20)
  - 4 line keys; 16 lines supported (Poly Edge B30)
  - Poly HD Voice Poly Acoustic Fence technology cuts out background noise
  - Lightbar status indicator
  - Illuminated mute, headset, speaker buttons