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3 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Call forward, call waiting, call transfer
Redial, call return, auto answer
5-way conferencing
Direct IP call
Ring tone selection/provisioning
Set date time automatically or manually
Dial plan per account
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
XML Browser
Action URL/URI
HD voice: HD handset, HD speaker
Codecs: iLBC, G.722, G.711(A/μ), GSM_FR, G.723, G.729AB, G.726-32
DTMF: In-band, RFC 2833, SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, AGC, CNG, AEC, PLC, AJB
Busy Lamp Field (BLF)
Anonymous call, anonymous call rejection
Message Waiting Indicator (MWI)
Voice mail
Intercom, paging
Call park, call pickup
Music on hold
2.7" 192 x 64-pixel greyscale 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 and photo
6 line keys with LED
6 line keys can be programmed up to 25 various features (5-page view)
4 features keys: voice mail, headset, speaker,mute, menu
4 context-sensitive “soft” keys
6 navigation keys
Volume control keys
Illuminated speaker key
Illuminated headset key
Illuminated mute key
Dual-port 10/100 Mb Ethernet
Power over Ethernet (IEEE 802.3af), class 2
1xRJ9 (4P4C) handset port
Stand with 3 adjustable angles
Wall mountable
External universal AC adapter : AC 100~240V input and DC 5V/1.2A output
Power consumption (PSU): 2.0~4.6W
Power consumption (PoE): 2.5~5.5W
Boxed dimension: 240x225x95 mm
Operating humidity: 10~95%
Operating temperature: -10~50°C
Configuration: browser/LCD-Menu/auto-provision
Auto provision via HTTP/HTTPS FTP/TFTP
Auto-provision with PnP
Reset to factory, restart, reboot
Local tracing log export, system log
Phone lock for personal privacy protection
SIP v1 (RFC2543), v2 (RFC3261)
SIP server/proxy redundancy
NAT Traversal: STUN mode
DHCP/static/PPPoE
HTTP/HTTPS web server
Time and date synchronization by SNTP
DNS-NAPTR/DNS-SRV(RFC 3263)
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
IEEE802.1X
TLS(Transport Layer Security)
SRTP
Open VPN
HTTPS certificate manager
AES encryption for configuration file