Specification

Key Features

• Support SIP 2.0 (RFC3261) and correlative RFCs
• Codec:G.711 A/U Law, G.723.1, G.729a/b, G.722,G.722.1, G.726
• Echo cancellation: Support G.168, and Hands-free can support 96ms, Hand free Speaker Phone
• Support Voice Gain Setting, VAD, CNG
• Full duplex hands-free speakerphone
• NAT transverse:support STUN client
• SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
• SIP support 2 SIP lines. Can connect to SIP1 and SIP2 server simultaneity
• DTMF:Support SIP info, DTMF Relay, RFC2833
• SIP application: support Call forward/ transfer/ hold/ waiting / 3 way call/
• Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, Caller ID
• Support Phonebook 500 records
• Incoming calls / Outgoing calls / Missing calls. Each support 100 records
• Support conference
• 10 kind of ring type
• Support MWI

Network Features

• WAN/LAN: Support Bridge Mode
• Support Full Duplex Handfree
• Support PPPoE for xDSL
• Support DHCP Client on WAN
• QoS with DiffServ
• Support main DNS and secondary DNS server
• Support SNTP Client, Firewall
• Network tools in telnet server: Including ping, route, telnet client

Management

• Web, telnet and keypad management
• Management with different account right
• Upgrade firmware  through POST mode
• Upgrade firmware through HTTP, FTP or TFTP.
• Telnet remote management/Upload/download setting file
• Safe mode provide reliability
• Support Auto Provisioning (upgrade firmware or configuration file)
• Support Syslog

Interface

• Two RJ45 ports, one for WAN, one LAN　
• Power port