VI2006

   Product Specification :

• Support SIP 2.0 (RFC3261) and correlative RFCs
• Support 2 sip line
• Codec:G.711A/u, G.7231 high/low, G.729a/b, G.722,
• Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms
• max filter length in hands-free mode
• Support Voice Gain Setting, VAD, CNG
• Full duplex hands-free speakerphone
• DTMF MODE:DTMF_RELAY, SIP_INFO, RFC_2833
• NAT transverse:support STUN client

  Maintenance and Management

• Web ,telnet and keypad management
• Management with different account rights
• Upgrade firmware through POST mode
• Safe mode provide reliability
• Support Auto Provisioning (upgrade firmware through HTTP, FTP or TFTP)
• Support Syslog

  Application Features

• SIP applicationsupport Call forward/transfer/holding/waiting/3 way call/call park/join call/click to dial
• SIP support SIP domain, SIP authentication (none, basic, MD5), Peer to Peer call
• Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, white list, limit call, no disturb, caller ID,
• Incoming calls /outgoing calls / missing calls. Each support 100 records
• Support Phonebook 500 records
• 10 kind of ring type
• Support Conference
• Support Mute
• Support MWI

  Network Features

• WAN/LAN: supports Bridge
• Support PPPoE for xDSL
• Support DHCP client on WAN
• Support SNTP Client, Firewall
• Support main DNS and seconary DNS server
• Support VLAN
• QoS with DiffServ
• Network tools in telnet server: including ping, trace route, telnet client