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 Audio features? Polycom? HD Voice? technology delivers lifelike 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, 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 Power? Built-in auto sensing IEEE 802.3 af Power over Ethernet (Class 0) 13 W (Max)? External Universal AC/DC Adapter (optional) 5VDC @ 3A (15W)


