Multi-language
Flexible Dial Map: Fix length; End with #; Dial with time out
Multi-ringer selectable and user-defined ringer update via web
Speakerphone
Phonebook
RJ9 Headset
Dial Map Table
5 Speed dial keys with BLF option.
Black list for reject authenticated call
Reject incoming call
Limit dialing out No. list
No Disturb
Caller ID, call forward, call transfer, call hold, call waiting, call forward with unconditional, busy and no answer,3 party conference
Call log: dialed call, received call and missed call
SIP
RFC Protocol Edition: RFC3261 and RFC2543
Compatible with all major SIP Servers: Cisco, Osip, Vocal, ser, Partysip, SIMENS, Grandstream, etc.
Server authentication mode: none, basic, MD5
Peer to Peer SIP call
Line 1/ Line 2.Support two different SIP servers.
DTMF Mode: RFC2833, RELAY, SIP INFO
DNS name of SIP server
SIP signaling port setting
NAT traverse, STUN
NAT traverse, SIP Express router
Pulic and private SIP server
Dual-backup server
DSP SPEC
G.711A/u, G.723.1（5.3k/6.3k）, G.729a/b, G.722, G726
G.168 echo cancel
Full duplex hand-free
VAD (Voice Activity Detection)
CNG (Comfortable Noise Generation)
AEC (Acoustic Echo Cancellation)
Adaptive voice jitter buffer
Codec negotiation supported for fixed and dynamic
Hardware SPEC
128x64 pixel graphic LCD with white backlight
34 KEYS, 12 LEDs
WAN: 10/100M RJ45
LAN: 10/100M RJ45
RJ9 Headset Jack
PoE option
Network
WAN/LAN port with Router or Bridge Mode
NAT ALG
PPPoE for xDSL, automatically keep alive
DHCP Client on WAN
DHCP server on LAN
DNS client with 2 servers IP
SNTP
RTP: RFC3550
802.1P QoS
Others
Boot Monitor
Upgrade firmware through POST mode
Keyboard Configuration
HTTP Web-Based Configuration
FTP, TFTP upgrade firmware•
WEB upgrade firmware
FTP, TFTP, HTTP upload/download configuration file
Physical & Environmental
Desktop / Wall mounting
Power Input: 100 to 240 ACV / 50/60Hz Output: 5 DCV
Dimensions: 210 x 170 x 45 mm
Weight: 680 g (main unit)
Operating Temperature: 0°to +40°C (32°to +104°F)
Storage Temperature:-20°to +70°C (-40°to +158°F)
Humidity: 5% -95% non-condensing