The Yealink CP860 IP conference phone is a perfect choice for small and medium-sized conference room and can meet the demands of up to 16 people with optional expansion microphones.
Features

• 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

Specification

Audio features
• 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, AJB, AGC

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