Detailed Product Description

# 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

# Support POE(Optional).

# 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

# 8  Rj11 FXS Port or 8 FXS Port and 1 FXO Port.

Size: 19 inch, 1U