Detailed Product Description

Voice Features
Support SIP RFC3261 RFC3262 RFC3265
Codec: G.711A/u,G.729
Echo cancellation: Support G.168
Support Voice Gain Setting, Jitter Buffer, VAD, CNG
NAT transverse: support STUN client, VPN
SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer
SIP support pubic/Private server. Can connect to Publice server and Private SIP server at same time
SIP support dual public server
DTMF: Support SIP info, DTMF Relay, RFC2833
SIP application: support Call forward/transfer/holding/waiting
Call control features: Flexible dial map, support Hotline, Empty calling No. reject service, Black list for reject authenticated call, No disturb, Caller ID.
Support conference;
Network Features
WAN/LAN: Support Bridge and Router model.
Support basic NAT and NAPT.
Support PPPoE for xDSL.
Support DHCP Client on WAN
Support DHCP Server on LAN
Support DNS Relay, SNTP Client, Firewall
Network tools in telnet server: Including ping, race route, telnet client
Maintenance and Management
Support Boot Monitor
Can upgrade firmware through boot monitor
Can config through Web, keypad,Telnet
Can upgrade firmware and configuration file through HTTP, FTP, TFTP
Support Syslog