Especificações Técnicas:

Polycom CX3000 IP Conference Phone
AudioGeneral
Polycom HD Voice (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

AudioSpeaker/Mic
Speaker frequency response, 200 7kHz
Speaker volume, maximum at 1/2 meter peak volume: 85dB
Full-duplex speakerphone, compliant with IEEE 1329 Type 1
Acoustic Echo Cancellation
Mic frequency response: 150 - 7kHz
Mic pickup: 3.5m (12 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 3
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)
Compatible with commercially-available TTY adapter equipment

Buttons/keys
12-button dialpad, 0 - 9, *, #
Volume Up & Volume Down
2-way navigation: Up, Down, Select
Home, Previous
2 soft keys + Menu
On/Off Hook
Mute/unmute button

Indicators, LED
Ringing/In Call/Mute/Hold indicator (x 3)
Presence Indicator

Connectivity
Single Ethernet 10/100 Base-T with RJ45 connector port
IEEE 802.3af class single PoE Ethernet 10/100 Base-T
USB Device port, Type B female
2 extension Mic p

Included Accessories
Ethernet cable, 25 ft (7.5m)
USB Cable, A to B (for Better Together), securable to device, 2m

Accessories available separately
AC Power Kit with 48V PSU, PoE Power Injector Cable and 2m line cord with local plug
Extension mics, pair, with 3m (10ft.) cables