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Phone Features

• 4 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

Voice Codecs Features

• 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

IP-PBX Features

• Busy Lamp Field (BLF)

• Anonymous call, anonymous call rejection

• Message Waiting Indicator (MWI)

• Voice mail

• Intercom, paging

• Call park, call pickup

• Music on hold

Display and Indicator

• 3.5" 480 x 320-pixel color display with backlight

• 16 bit depth color

• LED for call and message waiting indication

• Dual-color (red or green) illuminated LEDs for line status information

• Wallpaper

• Intuitive user interface with icons and soft keys

• National language selection

• Caller ID with name, number and photo

Feature keys

• 8 line keys with LED

• 8 line keys can be programmed up to 35 various features (4-page view)

• 8 features keys: voice mail, headset, speaker, hold, mute, transfer, call list, conference

• 4 context-sensitive “soft” keys

• 6 navigation keys

• Volume control keys

• Illuminated speaker key

• Illuminated headset key

• Illuminated mute key

Interface

• Dual-port Gigabit Ethernet

• Power over Ethernet (IEEE 802.3af), class 3

• 1xRJ9 (4P4C) handset port

• 1xRJ9 (4P4C) headset port

• Supports up to 6 Expansion Modules

Physical Features

• 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

Management

• 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

Network and Security

• 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

• Digest authentication using MD5/MD5-sess