vxworks OS
Supports SIP 2.0 (RFC3261) and correlative RFCs
SIP supports 3 SIP servers, and backup SIP proxy servers.
Supports SIP UDP/TCP/TLS
Support IAX2,iax2 line call
SIP support SIP domain, SIPauthentication (none, basic, MD5),DNS name of server, Peer to Peer/ IP Call
Supports RJ-9/3.5mm headset
Display Resolution 128×48 Feature Keys
Large dot matrix LCD display and softkeys make user easier to use
Soft keys programmable; function keys programmable,
Adapter Input:100-240V
Adapter Output:5V/1A
WAN Port -10/100 Base-T RJ-45 for LAN
LAN Port- 10/100 Base-T RJ-45 for PC
Headset- RJ-9/3.5mm
Power Consumption- Idle: 2.5W/Active: 2.8W
Display Resolution: 128 x 48 pixels
Operation Temperature 0~40℃
Relative Humidity 10 65%
Main Chipset – Broadcom
SDRAM – 16M
Flash- 4M
Weight- Phone:0.45kg
Dimension: 258x183x60 mm