GW0420 is a 4 port FXO gateway. Operating with an Audiocodes chipset, this gateway is packed with features for networking, voice over IP, fax, and call services. Whether you are using H.323 or SIP protocol, GW0420 can meet the demands and requirements of any small and medium enterprise.
Calling Functions and Features

Web, console, and telnet configuration
STUN penetration (H.323 only)
Caller ID
Intelligent routing
Voice recording and IVR programmable
Hotline and number inquiring in turn
Routing of incoming calls
Multiple numbers/lines/accounts

Network Functions and Features

PPPoE for xDSL, DHCP Client on WAN, DHCP Server on LAN, static IP on WAN/LAN
NAT, DNS Relay, SNTP Client, Firewall
TOS Set

Maintenance and Management

Remote upgrading software
Can config through Web, keypad, Telnet
Debug log