Compliant with ADA Section 508 Subpart B.Hearing aid compatibility to ITU-T P.370 and TIA 504A standards.DTMF tone generation (RFC 2833 and in-band).Individual volume settings with visual feedback for each audio path.Frequency response-150 Hz-7 kHz for handset, optional headset and handsfree speakerphone modes.TIA-920 wideband audio, type 1 compliant (IEEE 1329 full duplex).Poly Acoustic Clarity technology providing full-duplex conversations, acoustic echo cancellation and background noise suppression.Poly HD Voice technology delivers lifelike voice quality for each audio path handset, hands-free speakerphone, and optional headset.Multilingual user interface including Chinese, Danish, Dutch, English (Canada/ US/UK), French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish, and Swedish.
Gesture-based, multitouch-capable capacitive touch screen.
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