Features

u Support SIP 2.0 (RFC3261) and correlative RFCs

u Codec: G.711 A/U Law, G.723.1, G.729a/b, G.722

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

u Support Voice Gain Setting, VAD, CNG

u Full duplex hands-free speakerphone

u NAT transverse: support STUN client

u SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call

u SIP support 3 SIP lines. Can connect to SIP1 SIP2 and SIP3 server at the same time

u DTMF: Support SIP info, DTMF Relay, RFC2833

u SIP application: support Call forward/ transfer/ hold/ waiting / 3 way call/

u Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID

u Support Phonebook 500 records

u Incoming calls / Outgoing calls / Missing calls. Each support 100 records

u Support conference

u 10 kind of ring type

u Support MWI

u Support 1 PSTN line for life-line feature

 

Network Features

u WAN/LAN: Support Bridge Mode

u Support Full Duplex Handfree

u Support PPPoE for xDSL

u Support DHCP Client on WAN

u QoS with DiffServ

u Support main DNS and secondary DNS server

u Support SNTP Client, Firewall

u Network tools in telnet server: Including ping, route, telnet client

 

Maintenance and Management

u Web, telnet and keypad management

u Management with different account right

u Upgrade firmware  through POST mode

u Upgrade firmware through HTTP, FTP or TFTP.

u Telnet remote management/Upload/download setting file

u Safe mode provide reliability

u Support Syslog

 

Specification