Detailed Product Description

internet phone

Voice Features

Support IAX2 and SIP RFC3261 synchronously.

Codec: G.711A/u, G.7231 high/low, G.729;

Echo cancellation: Support G.168, and Hands-free can support 96ms

Support Voice Gain Setting, Jitter Buffer, VAD, CNG, dual GK, call forward, and Peer to Peer

NAT transverse: support 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 the 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 call and voice record

English, Spanish, Czechoslovak alternative.

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.