Features

l         Support SIP 2.0 (RFC3261) and correlative RFCs

l         Support IAX2

l         Support HD voice

l         Support 3 SIP lines. Can connect to 3 SIP servers at the same time.

l         Support multi line and iax2 line key

l         Codec:G.711A/u, G.723.1 high/low, G.729a/b, G.722.1,G.726

l         Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode

l         Support Voice Gain Setting, VAD, CNG

l         Full duplex hands-free speakerphone

l         SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call

l         DTMF: Support SIP info, DTMF Relay, RFC2833

l         9 kind of ring type

l         5 user-defined music ring

l         Support 6 memory keys

l         Large dot matrix LCD display and softkeys make user easier to use

l         Friendly graphic menu

l         2 headset interface ( 3.5mm Jack or RJ9 connector)

l         Multilanguage realizes localization

l         SIP application: support call forward/ transfer (blind/attended)/ holding/ waiting/ 3 way talking/ conference/pickup/ join call/ redial and unredial/ click to dial

l         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

l         Incoming calls /outgoing calls / missing calls. Each support 100 records.

l         Support Phonebook 500 records,

l         Support SMS

l         Support XML,

l         Support Speed dial

l         support SRTP and BLF(release 2)

Network Features

l         WAN/LAN: 10/100M Ethernet ports, supports Route and Bridge mode.

l         Support bridge working as hub(optional)

l         Support PPPoE for xDSL

l         Support PoE(optional)

l         Support 802.1

l         Support VLAN(voice vlan/data vlan)

l         Support basic NAT and NAPT

l         NAT transverse:support STUN client

l         Support DHCP client on WAN

l         Support DHCP server on LAN

l         Support main DNS and secondary DNS server; QoS with DiffServ

l         Support DNS Relay, SNTP Client, Firewall and openVPN

l         Support VPN (L2TP) and DMZ

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 HTTP, FTP or TFTP

l         Support dhcp option66 auto provisioning

l         Telnet remote management/upload/ download setting file

l         Safe mode provide reliability

l         Support Auto Provisioning to upgrade firmware or configuration file(HTTPS/FTPS optional)

l         Support TR-069(optional)

l         Support Syslog