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Additional Features: 1xRJ45 10/100M Ethernet port
Power over Ethernet (IEEE 802.3af ), class 0
2xEX mic port
1xmobile phone/PC port: 3.5mm
1xSecurity lock port
Optima HD voice, full duplex technology
10-feet and 360 degree voice pickup
Optional expansion microphones for wider reception
320ms echo cancellation tail length
Connect to a mobile phone or PC for conference calls
5-way conferencing support
USB call recording support
Optima HD voice
10-feet (3-meter)microphone pickup, can be applied to medium-sized conference room
Built in 3-microphone array, 360 degree voice pickup
112 mm diameter and 2.7w speaker
Full-duplex speakerphone with AEC
Echo cancellation tail length is up to 320ms
Background noise suppression
Codecs: G.722, G.711(A/µ),G.729AB, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
VAD, CNG,PLC, A...