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