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Note:

• The full product specifications below are from the manufacturer and may contain information related to other package quantities that will not apply to the product that you are reviewing. Please confirm the actual content and/or package quantity from the main product specifications page.
• These specifications may represent the entire product series/model/line to which this product belongs with specific configuration differences between the individual products stated.
• These specifications may have been copied from the same product in other region/country in which case there might be minor differences in region-specific data such as Input Voltage, Terms of Warranty etc.

Audio Features
Codec: G.722, G.711(A/μ), G.729AB, G.726, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP
INFO 
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC

Phone Features
1 VoIP account
Call hold, mute, DND
One-touch speed dial, hotline 
Call forward, call waiting, call transfer
Group listening, SMS
Redial, call return, auto answer
Local 3-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Set date time manually or automatically
Dial plan 
XML Browser, action URL/URI
Integrated Screenshots
RTCP-XR

Directory
Loal phonebook up to 1000 entries
Black list
XML remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded

IP-PBX Features
Anonymous call, anonymous call rejection
Hot-desking, emergency call
Message Waiting Indicator (MWI)
Voice mail, call park, call pickup
Intercom, paging, music on hold
Call completion

Display and Indicator
132x64-pixel graphical LCD 
LED for call and message waiting indication
Intuitive user interface with icons and soft keys
National language selection
Caller ID with name, number

Feature keys
6 features keys: message, headset, redial, tran,
mute, hands-free speakerphone
5 navigation keys
Volume control keys

Interface
2xRJ45 10/100M Ethernet ports
1xRJ9 (4P4C) handset port
1xRJ9 (4P4C) headset port

Other Physical Features
Wall mountable
External universal AC adapter (optional)：
AC 100~240V input and DC 5V/600mA output
Power consumption (PSU): 0.9-1.25W
Power consumption (PoE): 1.2-2.5W
Dimension(W*D*H*T):
185mm*188mm*143mm*38mm
Operating humidity: 10~95%
Operating temperature: -10~50°C

Package Features
Qty/CTN: 10 PCS
N.W/CTN: 9.6kg
G.W/CTN: 10.7kg
Giftbox size: 215mm*200mm*121mm
Carton Meas: 630mm*436mm*210mm

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

Network and Security
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
IEEE802.1X
IPv6