Refurbished Polycom VVX 311 VoIP Telephone For Sale

Refurbished Polycom VVX 311 VoIP Telephone

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Refurbished Polycom VVX 311 VoIP Telephone:

Polycom VVX311. Professionally refurbished with handset, stand, handset cord and CAT5.Grade B =Minor scratches / scuff on screens. Barely visible when powered on. No power supply included. Comes reboxed in a generic cardboard box with bubble wrap for protection.
  • 1x VVX311 Telephones
  • 1x Polycom Stands
  • 1x Polycom Handsets
  • 1x CAT5 Cables
  • 1x Handset Cords
  • *no power supply included*

  • 3.2 in Backlit 8-level Grayscale graphical LCD (208 x 104) resolution
  • Voicemail support *
  • WebKit-based browser
  • Adjustable base height
  • Unicode UTF-8 character support. Multilingual user interface including Chinese, Danish, Dutch, English (Canada/ US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish
  • HD Voice™ technology delivers lifelike voice quality for each audio pathhandset, the hands-free speakerphone, and the optional headset **
  • Acoustic Clarity™ technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression
  • Type 1 compliant (IEEE 1329 full duplex)
  • Frequency response – 150 Hz – 7 kHz for handset, optional headset and handsfree speakerphone modes
  • Codecs: G.711 (A-law and μ-law), G.729AB, G.722, G.722.1, iLBC
  • Individual volume settings with visual response for each audio path
  • Voice activity detection
  • Comfort noise generation
  • DTMF tone generation (RFC 2833 and in-band)
  • Low-delay audio packet transmission
  • Adaptive jitter buffers
  • Packet loss concealment

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