Key features:
SIP and IAX2 / SIP and H.323 support.
Support two sip servers running at the same time.
Redundancy sip server capable.
NAT, with Router built in.
DHCP server and client.
Support PPPoE, (used for ADSL, cable modem connecting).
Support major G7.xxx Codec.
VAD,CNG.
G.165 compliant 16ms echo cancellation.
E.164 dial plan and customized dial rules.
Support hotline.
Call Transfer, Call Forward, 3-way conference calls
Call ID display
DND(Do Not Disturb),Black List,Limit List
Phone book, maximum 100 entries.

Management:
HTTP web browser,telnet and keypad management.
Upgrade firmware through HTTP, FTP or TFTP.
Telnet remote management.
Upload/download setting file
Auto-provision.
Safe mode provide reliability

Call control /voip Features
SIP RFC3261,RFC 2543
Tone generation and Local DTMF re-generation according with ITU-T
G.711(A-law or u-law)
G.723.1(6.3kbps,5.3 kbps)
G729
AGC(Auto Gain Control)
G.168/165 compliant 16ms echo cancellation
AEC(Auto Echo Cancellation)
VAD (Voice Activity Detection)
CNG(Comfort Noise Generation

Data networking:
DHCP:Dynamic Host Configuration Protocol
DNS:Domain Name Server
FTP:File Transfer protocol
HTTP:Hyper Text Transfer protocol
MD5 Message-Digest Algorithm
MAC Address
PPPoE:PPP Protocol over Ethernet
RTP: Real-time Transport Protocol
RTCP:Real-time Control Protocol
SNTP, Simple Network Time Protocol
STUN - Simple Traversal of User Datagram.
Telnet:Internet's remote login protocol
TCP:Transmission Control Protocol
TFTP:Trivial File Transfer Protocol

	OEM services
		Label, Sticker
		Logo silk screen printing
		Customized gift box
		Re-designing PCB
		Firmware with special features