3 VoIP accounts
One-touch speed dial, redial
Call forward, call waiting, call transfer, call hold
Call return, group listening
Mute, auto answer, DND
Call history: dialed/received/missed/forwarded
3-way conference call
Direct IP call without SIP proxy
Ring tone selection/import/delete
Hotline, emergency call
Set date time manually or automatically
Dial Plan, XML Browser, action URL

HD voice: HD handset, HD speaker
Wideband codec: G.722
Narrowband codec: G.711(A/μ), G.723, G.729AB, G.726, GSM
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC, VAD, CNG, AEC, PLC, AJB, AGC

Local phonebook up to 1000 entries
BroadSoft contacts: custom/enterprise/personal /common/search/speed dial
Black list
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export

Busy Lamp Field (BLF), BLF list
Bridged Line Apperance(BLA)/SCA
Anonymous call, anonymous call rejection
DND & forward synchronization
BroadWorks anywhere
N-Way Calling, remote office
Network call logs
BroadSoft call center features
Message Waiting Indicator (MWI)
Voice mailđcall park, call pickup
Intercom, paging, music on hold
Call recording, hot-desking

Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS
for mass deploy
Auto-provision with PnP
BroadSoft device management
Zero-sp-touch
Provisioning server redundancy supported
Phone lock for personal privacy protection
Reset to factory, reboot
Package tracing export, system log

2.7" 192x64-pixel 4-level grayscale graphical
LCD with backlight
LED for call and message waiting indication
Dual-color (red or green) illuminated LEDs for line status information
Intuitive user interface with icons and soft keys
National language selection
Caller ID with name, number

6 line keys with LED
6 line keys can be programmed up to 15
various features (3-page view)
5 features keys: message, headset, mute, redial, hands-free speakerphone
4 context-sensitive "soft" keys
6 navigation keys
2 volume control keys
Illuminated mute key
Illuminated headset key
Illuminated hands-free speakerphone key

Dual-port Gigabit Ethernet
1xRJ9 (4P4C) handset port
1xRJ9 (4P4C) headset port
Power over Ethernet (IEEE 802.3af), Class 2

Stand with 2 adjustable angles
Wall mountable
External universal AC adapter (optional)
AC 100~240V input and DC 5V/1.2A output
Power consumption (PSU): 1.4W-3.9W
Dimension(W*D*H*T):
212mm*189mm*175mm*54mm
Operating humidity: 10~95%
Storage temperature: -10~50°C

SIP v1 (RFC2543), v2 (RFC3261)
NAT transverse: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP
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 for voice
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication using MD5/MD5-sess
OpenVPN, IEEE802.1X
IPv6