Polycom VVX 311 Features
- Backlit 8-level grayscale graphical LCD – 208×104 resolution
- 6 lines (programmable line keys)
- 4 context-sensitive soft keys
- 4-way navigation cluster
- Fixed feature buttons include speakerphone, headset, mute, volume up/down, transfer, message, do not disturb
- Dual port 10/100/1000 Gigabit Ethernet switch
- Dedicated RJ-9 headset port
- SIP protocol support
- HD voice technology delivers life-like voice quality for handset, speakerphone, or optional wideband audio headset
- Acoustic Clarity technology provides full-duplex conversations, echo cancellation, and background noise suppression
- Easy deployment and administration with Polycom Zero Touch Provisioning and web-based configuration
- Powered via Power over Ethernet (802.3af PoE) or optional PoE injector (sold separately)
- Increased memory and improved processor
- Requires a minimum firmware version of 5.4.1 or later
- Can add up to 3 Polycom Expansion Modules or Polycom Color Expansion Modules
Compatibility
- Can be used with a variety of SIP compatible hosted service providers and SIP compatible IP PBX systems
- Check with your hosted provider or IP PBX documentation to confirm system compatibility
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