Features:

1)Support Three sip servers running at the same time.
2)Call Forward, Call Transfer, 3-way conference calls
3)NAT Support
4)Simple firewall
5)Ral Time Fax via T.38
6)Support SIP 2.0
7)DHCP Client DHCP Server PPPoE Client
8)G.165 and G.168-2002,with 16,25ms tail length
9)G.711/G.723.1/G.729/G.726
10)One Rj45 port WAN Ethernet 10/100baseT
11)One Rj45 port LAN Ethernet 10/100baseT
12)1 FXS Port and 1 FXO Port

Specifications:

Support Centnet EasyTrans

Supprot STUN

Support Three sip servers running at the same time.

Call Forward, Call Transfer, 3-way conference calls

NAT Support

Simple firewall

Adjustable audio Frames

Adjustable Payload Size

Dynamic programmable Jitter Buffer

Echo Cancellation

VAD-Voice Activity detection

CNG- Comfort Noise Generation

QOS Set Support

Gain Adjustment

Ral Time Fax via T.38

Frame Loss Concealment

Caller ID Generation

Display Number Support

Auto Busy Learning

Plug and Play technology

Web interface, Telnet, Console and Phone

Telephone Key Pad Configuration Through IVR

Invert Signaling Detect and Generation

Master,Slave Server Support

Protocol Support

SIP 2.0

DHCP Client

DHCP Server

PPPoE Client

RTP/RTCP

IP/TCP/UDP/ICMP

DiffServ

SNTP(SIP verion)

G.165 and G.168-2002,with 16,25ms tail length

T.38

G.711/G.723.1/G.729/G.726

Physical Interface

One Rj45 port WAN Ethernet 10/100baseT

One Rj45 port LAN Ethernet 10/100baseT

Two Rj11 FXS Port or 1 FXS Port and 1 FXO Port.

Size: 17x10x2.7cm(LxWxH).