Basic Features
  • Support SIP 2.0 (RFC3261) and correlative RFCs
  • Support IAX2
  • Support 2 SIP lines. Can connect to 2 SIP servers at the same time. Codec:G.711A/u, G.723.1 high/low, G.729a/b, G.722,G.726
  • 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
  • SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
  • DTMF:Support SIP info, DTMF Relay, RFC2833
  • 9 kind of ring type and 5 user- defined music ring (optional)


  Network Features
  • WAN/LAN: 10/100M Ethernet ports, supports Route and Bridge mode.
  • Support PPPoE for xDSL
  • Support PoE(Optional)
  • Support basic NAT and NAPT
  • NAT transverse: support STUN client
  • Support DHCP client on WAN
  • Support DHCP server on LAN
  • Support main DNS and secondary DNS server.
  • Support VLAN
  • Support DMZ
  • Support DNS Relay, SNTP Client, Firewall



  Advanced Application Features
  • Large Graphic LCD display and soft keys make user easier to use
  • Friendly graphic menu
  • headset interface (RJ9 connector)
  • Multilanguage realizes localization
  • SIP application: support call forward/ transfer (blind/attended)/ holding/ waiting/ 3 way talking/ conference/pickup/ join call/ redial and unredial/ click to dial/ vport/
  • 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,
  • CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dial without register
  • Incoming calls /outgoing calls / missing calls. Each support 100 records.
  • Support Phonebook 500 records
  • Support SMS and Speed dial
  • Support Memo
  • Support alarm clock
  • Support XML phone book/browser

  Maintenance and Management
  • Maintenance and Management
  • Web ,telnet and keypad management
  • Management with different account right
  • 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