Product description:

Solution: Infineon chipset
Support SIP & IAX2 protocols
Support auto provision by WAN Port MAC address
Two 10/100M Ethernet Interfaces
Suport registering two SIP Servers and one IAX Server simultaneously
Codec: G. 711 / G723/G. 729A
Support both router and bridge mode
Support PPPoE for xDSL
Support Voice Mail, Call Waiting/Transfer/Holding/Conference.
Support Voice Gain Setting, Jitter Buffer, VAD and CNG.
Web configuration through Built-in web server.
Upgrading firmware and configurations by HTTP, FTP or TFTP.
DHCP Client on WAN and DHCP Server on LAN.