Polycom VVX401 Business Media IP Phone
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| User Interface | • Backlit 3.5" color LCD (320 x 240) resolution • Voicemail support2 • 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 |
| Audio Specifications | • Polycom HD Voice technology delivers life-like voice quality for each audio path- handset, the hands-free speakerphone, and the optional headset • Polycom 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 -law), G.729AB, G.722.1, G.722.1C, 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 |
| Compatibility | • Dedicated USB & RJ-9 headset ports • 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 |
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