Especificações Técnicas:

AudioGeneral
Polycom HD Voice technology (Polycom
Acoustic Clarity technology, mechanical design and wideband codec support)
Individual volume settings with visual feedback for each audio path
Voice activity detection
Comfort noise fill
DTMF tone generation/DTMF event RTP payload
Low-delay audio packet transmission
Adaptive jitter buffers
Packet loss concealment
Background noise suppression
Cellular Phone Immunity
Automatic gain control
Dynamic noise reduction
Acoustic echo cancellation

AudioHandset
Handset Frequency response: 150 7kHz
Compliant with ADA Section 508 Recommendations: Subpart B 1194.23 (all)
Hearing aid compatible (HAC) for magnetic coupling to approved HAC hearing aids

AudioHeadset Port
Dedicated RJ-9 headset port
Headset port frequency response: 150 7kHz
AudioSpeakerphone
Full Duplex speakerphone, compliant with IEEE 1329 Type 1
Acoustic Echo Cancellation
Speaker frequency response, 200 7kHz
Speaker volume, maximum at 1/2 meter peak
volume: 81dB
Mic frequency response: 150 7kHz
Mic pickup: 2.5m (8 ft.)

CODEC support
Microsoft RTAudio
G.722.1
G.711 (narrowband, A-law and ì-law)Power
Built-in, auto-sensing IEEE 802.3af-2003 Power over Ethernet Class 2
Optional AC power kit

User Interface
Display, 3.5, QVGA TFT 24-bit color graphical display, 320 x 240 pixels, with Unicode character capability
LED backlight with adjustable brightness
Backlight auto-dim when not in use

Accessibility
High contrast UI graphic screen option(software)
TTY compatible headset port
Compatible with commercially-available TTY adapter equipment
TTY compatible handset port

Buttons/keys
12-button dial pad, 0 - 9, *, #
Volume Up & Volume Down
2-way navigation: Up, Down, Select
Home, Previous
2 soft keys + Menu
Hookswitch for handset
Mute/unmute
Speakerphone
Headset

Indicators, LED
Ringing/In Call/Hold
Speaker
Mute
Headset
Voice Mail
Presence Indicator

Connectivity
Ethernet switch 2-port Gigabit Ethernet switch
10/100/1000 Base-T with RJ45 connector ports
IEEE 802.3af Gigabit Ethernet 10/100/1000 Base-T
USB Device port, Type B female
USB Host port, Type A female (disabled,for future use)
Headset port, RJ9
Handset port, RJ9

Included Accessories
Ethernet cable, 7 ft (2m)
USB Cable, A B (for Better Together), with B-type connector, 7 ft (2m)
3-Position stand for tilt adjustment