Voice Features
Support IAX2 and SIP 2.0 (RFC3261)
Codec: G.711A/u, G.7231 high/low, G.729, G.722
Echo cancellation: Support G.168 and hand-free
can support 96ms
Support VAD, CNG
NAT transverse: support STUN
SIP support SIP domain, SIP authentication(none, basic,
MD5), DNS name of server, peer to peer
SIP support Pubic & Private server, user can through
each server to calling in and out
DTMF: SIP info, DTMF Relay, RFC2833
SIP application: contain SIP call forward/transfer/
holding/waiting/3 way conference
Call control features: Flexible dial map, support
hotline, empty calling no. reject server, black list for
reject authenticated call no disturb, caller ID
Support conference call and voice record
Support English, Spanish and Czechish (optional)
Could dial use private server automatically when
public server unregistered while private server is
resgistered successflly
8 special ring type
500 entry phonebook, Call records: 100 dialed, 100 received,
100 missed calls
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Network Features
WAN/LAN: support Bridge and Router mode.
Support basic NAT and NAPT
Support PPPoE for xDSL
Support reconnecting automatically when PPPoE(adsl) is
disconnected by ISP
Support DHCP get IP on WAN port
Support DHCP distribute IP on LAN port
Support primary DNS server and secondary DNS server
Support DNS relay, SNTP server, Firewall on WAN port
Support network tools: contain ping, trace route, telnet client
Support VLAN
Maintenance and Management
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Support Boot Monitor
Can upgrade firmware through boot monitor
Access with different authority
Support auto provisioning
Can config through Web, Keypad, Telnet
Can upgrade firmware and configuration file through HTTP,
FTP, TFTP
Support syslog
IP Phone
