Key Facts
Support two SIP carrier
Support IAX2, SIP RFC3261 ,RFC2543
Codeci??G.711A/u, G.7231 high/low, G.729
Support 3 way conference call & voice record

Packing Detail
Features:
i?R Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone
i?R Support Voice Gain Setting, Jitter Buffer, VAD, CNG.
i?R Support STUN client,support VPN
i?R SIP support SIP domain, SIP authentication ,DNS name of server, Peer to Peer
i?R SIP support Pubic & Private server. Can connect to ISP and Private SIP server synchronously.
i?R DTMFi??Support SIP info, DTMF Relay, RFC2833
i?R Call service: support Call forward/transfer/hold
call waiting / no disturb/ back list/ ban outgoing / hotline/ Speed Dialing/out-limit /caller id/redial
i?R Call control features: Flexible dial map/flexible and useful dial rule
i?R Support Phonebook 100 record
i?R Call history :Incoming calls / Outgoing calls / Missing calls,Each support 100 record.
i?R Support auto update
i?R Support QOS , support VLAN , DiffServ
i?R Language English, Spanish, Czechoslovak alternative. language custom-tailor
Network Features
i?R WAN/LAN: Support Bridge and Router model
i?R Support basic NAT and NAPT
i?R Support PPPoE for xDSL
i?R Support DHCP Client on WAN
i?R Support DHCP Server on LAN
i?R Support DNS Relay, SNTP Client, Firewall, DMZ , NAT
i?R Network tools in telnet server: Including ping, race route, telnet client
Maintenance and Management
i?R Web ,telnet and keypad management
i?R Account management with different right
i?R Upgrade firmware through POST mode
i?R Upgrade firmware through HTTP, FTP or TFTP.
Telnet remote management./ Upload/download setting file
i?R Safe mode provide reliability
i?R Support Syslog /Time config