Voice Features
Support H323v4 and SIP RFC3261 synchronously
CodecG.711A/u,G.7231 high/low,G.729
Echo cancellationSupport G.168,and Handfree can support 96ms
Support Voice Gain Setting, Jitter Buffer,VAD,CNG,H323 support dual GK, call forward,and Peer to Peer.
NAT transversesupport STUN client, Citron,AVS
SIP support SIP domain,SIP authentication (none,basic, MD5),DNS name of server,Peer to Peer
SIP support pubic/Private server. Can connect to ISP and Private SIP server at same time
SIP support dual public server
DTMFSupport SIP info,DTMF Relay,RFC2833
SIP application: support Callforward/transfer/holding/waiting
Call control features: Flexible dial map,support Hotline, Empty calling No. rejectservice, Black list for reject authenticated call, No disturb, Caller ID
Support conference and voice record
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
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