Audio Features
HD voice: HD handset, HD speaker
Audio codec: AMR-WB (optional), AMR-NB (optional), G.722, G.711 (A/µ), G.729AB, G.723, G.726, iLBC, Opus
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Video Features
1080p@30fps Full-HD Video call
Video codec: H.264 High Profile, H.264, H.263
2 mega-pixel Camera with privacy shutter
Horizontal field of view: 63.5°
Vertical field of view: 37°
Adjustable camera
Plug and Play
Phone Features
16 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Group listening, emergency call
Redial, call return, auto answer
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan, XML Browser, action URL/URI
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Three-way video conferencing
Five-way audio/video mixed conferencing
Standard HDMI output for connection to monitor
USB ports (2.0 compliant) for media and storage applications
USB ports (3.0 compliant) for extending camera with USB3.0 cable
Notification Center and Control Center
Onscreen keyboard
IP-PBX Features
Busy Lamp Field (BLF)
Bridged Line Appearance (BLA)
Anonymous call, anonymous call rejection
Remote office, hot desking
Message Waiting Indicator (MWI)
Voice mail, call park, call pickup
Intercom, paging, music on hold
Call completion, call recording