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

Management

Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS for mass deployment
Auto-provision with PnP
Zero-sp-touch, TR-069
Phone lock for personal privacy protection
Reset to factory, reboot
Package tracing export, system log

Network and Security

IPv4/IPv6
SIP v1 (RFC2543), v2 (RFC3261)
Call server redundancy supported
NAT traversal: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP/PPPoE
HTTP/HTTPS web server
Time and date synchronization using SNTP
UDP/TCP/DNS-SRV(RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication
OpenVPN, IEEE802.1X

Feature keys

29 one-touch DSS keys
8 feature keys: message, headset, mute, hold, transfer, video, redial, speakerphone
Volume control keys
Illuminated mute key
Illuminated headset key
Illuminated hands-free speakerphone key