Repere:
- Support SIP V2.0 (RFC 3261，3262, 3263，3264)
- 128*64 graphic LCD with white backlight
- 2*10/100M RJ45 Port
- 1 RJ9 for headset
- 4 customizable buttons for LCD menu selection
- Support the headset and wall
- Auto Configuration- TFTP/HTTP/HTTPs/TR-069/SNMP