User manual

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¾ Sip 2.0 (RFC3261) and other related SIP RFC
¾ 4 lines SIP
¾ 1 line IAX2
¾ STUN
¾ Jitter Buffer(200ms),VAD,CNG
¾ G.711A/u, G722, G.723, G.726-32, G.729 Codec
¾ G.168 compliant 96ms echo cancellation
¾ Support SIP domain，SIP authentication (none，basic,MD5),NDS.
o Support inbound audio, RFC2833 and SIP info , DTMF transmission way
o SIP Call Forward、Call transfer、Call hold、Call waiting, 3-way
talking、Pickup、Join call、Redial、Unredial、Call Park、Vport、Click to
dial
¾ Dial without register
¾ Support Hotline、DND(Do Not Disturb)、Blacklists、Call Limitation、Caller ID
¾ Dial-peer calling rule, IP to IP call
¾ SIP server conference
¾ Phone book with 500 records, 100 answered call、100 missed call
¾ Support HTTP、FTP TFTP updating the configuration and firmware
¾ Syslog
¾ Auto answer
¾ Support SNTP client
¾ Telnet, WEB visit terminal
¾
Support different level user management
¾ Support multi language ( LCD support Latin language system, web support all
languages)
¾ soft button: soft button * 4
¾ Support BLF/BLA
¾ Support SMS
¾ Support auto provision (option 66) for config file upgrade
、
¾ WAN/LAN：Support bridge and route mode
¾ Support base of NAT and NAPT
¾ Support PPPoE，（ADSL，cable modem use for internet connecting）
¾ Support VLAN（DATA VLAN and VOICE VLAN）
¾ Support DMZ
¾ Support L2TP VPN（OpenVPN optional）
¾ WAN support Primary and Alter function
¾ WAN support DHCP Client
¾ LAN support DHCP Server