Poly VVX 450 12 Lines Business IP Phone Seller Refurbished Defaulted/Upgraded

Description

Poly VVX 450 12 Lines Business IP Phone Seller Refurbished Defaulted/Upgraded. Condition is "Seller refurbished"
Product specifications
User interface features
• 4.3” color LCD (480x272 pixel resolution)
• Voicemail support1
• WebKit-based browser
• Adjustable base height
• Unicode UTF-8 character support
• Two USB ports (2.0 compliant) for media and storage applications
• Multilingual user interface including Chinese, Danish, Dutch, English (Canada/ US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish
Audio features
• Polycom® HD VoiceTM technology delivers lifelike voice quality for each audio pathhandset, the hands-free speakerphone, and the optional headset
• Polycom® Acoustic ClarityTM technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression
• TIA-920 Wideband Audio
- 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 (HD Voice), G.722.1 iLBC
• Individual volume settings with visual feedback 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
• OPUS support
Headset and handset compatibility
• Dedicated RJ-9 headset port
• Hearing aid compatibility to ITU-T P.370 and TIA 504A standards
• Compliant with ADA Section 508 Subpart B 1194.23 (all)
• Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids
• Compatible with commercially-available TTY adapter equipment