Durable Quality
Easy Installation
High Performance
Affordable Price
Basic 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.726-32
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 1 SIP lines.
DTMF:Support SIP info, DTMF Relay, RFC2833
SIP application: support Call forward/ transfer/ holding/ waiting / paging and intercom/pickup/join call/click to dial/call park/redial and unredial
Call control features: Flexible dial map, Hotline, Empty calling reject, Black list for reject authenticated call, limit call, No disturb, mute
9 distinctive ring tones and 5 music ring tones
Support 10 Memory keys for speed dial
l Support IVR for getting local IP and local number
Network Features
Support PPPoE for xDSL
WAN/LAN: Support Bridge and Router model
Support basic NAT and NAPT(optional)
Support PPPoE for xDSL
Support DHCP Client on WAN
Support DHCP Server on LAN
Support VLAN (optional: voice vlan/data vlan)
QoS with DiffServ
Support DMZ(optional)and DNS Relay
Support VPN (L2TP/UDP TUNNEL)(optional)
Support main DNS and secondary DNS server
Support SNTP Client,
Support Firewal
l Network tools in telnet server: Including ping, trace route, telnet client
Maintenance and Management
l Web ,telnet and keypad management
l Management with different account right
l Upgrade firmware through POST mode
l Upgrade firmware through HTTP, FTP or TFTP.
l Telnet remote management/Upload/download setting file
l Safe mode provide reliability
l Supoort Auto Provisioning
l Support S og