Dial URL via SIP Server
SIP Server
Registrar Server ( Three SIP account)
OutBound Proxy
Tone
Ring Tone
Ring Back Tone
Dial Tone
Busy Tone
Programming Tone
FAX
T.38
FAX Tone Detection Pass Through
Phone Function
Volume Adjustment
Speed dial key
Phone Book
Redial
Flash
IP Assignment
Static IP
DHCP
PPPoE
Security
HTTP 1.1 basic/digest authentication for Web setup
MD5 for SIP authentication (RFC 2069 / RFC 2617)
QoS
ToS field
NAT Traversal
STUN
uPnP
Configuration
Web Browser
Console/Telnet
IVR/Keypad
Auto-Provision
Firmware Update
TFTP
