Features

n Support SIP 2.0 (RFC3261) and correlative RFCs

n Codec:G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726

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

n Support Voice Gain Setting, VAD, CNG

n Full duplex hands-free speakerphone

n NAT transverse: support STUN client

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

n SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server at the same time

n DTMF: Support SIP info, DTMF Relay, RFC2833

n SIP application: support Call forward/ transfer/ holding/ waiting / 3 way talking

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

n Support Phonebook 500 records

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

n Support conference and voice record on SIP server

n Support 10 kind of ring type and 1 user ring

n Support IAX2

n Support MWI

n Support SMS

n Support Speed Dial

n Support Memo

n Multilanguage realizes localization

 

Network Features

n WAN/LAN: Support Route and Bridge model

n Support basic NAT and NAPT

n Support PPPoE for xDSL

n Support DHCP Client on WAN

n Support DHCP Server on LAN

n Support VLAN (optional: voice vlan/data vlan)

n QoS with DiffServ

n Support DMZ

n Support VPN (L2TP)

n Support main DNS and secondary DNS server

n Support DNS Relay, SNTP Client, Firewall

n Network tools in telnet server: Including ping, trace route, telnet client

Maintenance and Management

n Web ,telnet and keypad management

n Management with different account right

n Upgrade firmware through POST mode

n Upgrade firmware through HTTP, FTP or TFTP.

n Safe mode provide reliability

n Support Auto Provisioning (upgrade firmware or config file)

n Support Syslog

 

Specification