Phone Features

1 VoIP account
Call hold, mute, DND
Call recording, hotline
5-way conferencing calls
Redial, call waiting, emergency call
Call forward, call transfer, call return, dial plan
Ring tone selection/import/delete
Set date time manually or automatically
Volume adjustment

Audio Features

Optima HD voice
10-feet (3-meter)microphone pickup, can be applied to medium-sized conference room
Built in 3-microphone array, 360 degree voice pickup
112 mm diameter and 2.7w speaker
Full-duplex speakerphone with AEC
Echo cancellation tail length is up to 320ms
Background noise suppression
Codecs: G.722, G.711(A/µ),G.729AB, iLBC
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO


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

IP-PBX Features

Intercom, multicast paging
Anonymous call, anonymous call rejection
Voice mail, distinctive ringtone, call pickup


192x64-pixel graphical LCD with backlight
24 total keys: 4 softkey, off-hook key, on-hook key, redial, mute, volume key, 3 navigation keys
Phone lock
National language selection
Caller ID with name, number
LCD display logo


1xRJ45 10/100M Ethernet port
Power over Ethernet (IEEE 802.3af ), class 0
2xEX mic port
1xUSB2.0 port
1xmobile phone/PC port: 3.5mm
1xSecurity lock port

Network and security

SIP v1 (RFC2543), v2 (RFC3261)
SIP server redundancy supported
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
QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS, DSCP
SRTP for voice encryption
Transport Layer Security (TLS)
HTTPS certificate manager
AES encryption for configuration file
Digest authentication using MD5/MD5-sess
OpenVPN, IEEE802.1X


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

Other Physical Features

4 context-sensitive “soft” keys
External universal AC adapter (optional): AC 100~240V input and DC 5V/2AOutput
Power consumption (PSU): 2.8-5.6W
Power consumption (PoE): 3.9-8.1W
Dimension(W*D*H): 320mm*260m*52mm
Operating humidity: 10~95%
Storage temperature: -10~50°C

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