High tech VoIP phone with 5 accounts and POE

A newly developed hi-tech SIP phone for enterprise supporting 5 SIP servers synchronously,(POE) function and 128*64 LCD display.Besides, it supports 3 interactive soft key to play humanized operating prompt and an option of a pair of headsets for private calls.


Support Protocol

Support SIP (RFC3261, RFC3262, RFC2543).
Support Voice codec: G711A/u, G729, and G723.1
Support G.168 echo cancellation standard, compliant 96ms with speaker mode.
Support Jitter Buffer, VAD, CNG, SIP Domain name register, point-to-point Call
Support RTP and RTCP
Support the Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833
Support many countries' standard ring
NAT transversal: Support STUN, CITRON, AVS Mode
Support SIP domain, SIP Authentication (none, basic, MD5), Domain Name parse
Support 5 SIP servers synchronously, can call in and out by either proxy
Support SIP application, including SIP call forward/transfer/holding/waiting

Network Features

Support two models: Bridge and Router, integrate two ports router function.
Support basic NAT and NAPT.
Support PPPoE for xDSL, and support off hook auto dial.
Support DHCP Client for WAN;
Support DHCP server for LAN;
Support DNS relay for LAN and can provide DNS service for LAN Network equipment.
Use advanced DSP tech to insure high quality voice
Use advanced jitter buffer tech to prevent the delaying and losing for package information
Support Network Tools, including ping, race route, and telnet client.
Support three modes to configure WAN port IP, they are: static, DHCP, and PPPoE.
Provide firewall control for small LAN.
Provide optional communication priority level for small LAN.
Support Secondly Layer QoS(802.1p)
Support 12tp

Advanced Function

Support headset
Support 128*64 LCD
Support Power over Ethernet (POE) function
Support 5 SIP servers synchronously.
3 Interactive soft key to play humanized operating prompt.
Support local voice record, message and server message record.
Support message wait indication.
Support user defined ring tone.
Support L2TP client.
Support call pickup, join call, auto-redial.
Support 5 programmable keys, 5 PSTN keys and 5 SIP keys, and it can be connected with the expansion board which can display more numbers' online status.
Support dial switchboard and extension number at one time to get through extension directly.
Support call list, and can set different rings according to different incoming callers.
Dial waiting, call transfer, three ways call, and multi-dial forward
Caller ID display, ban calling out, setting no-disturb, dial number automatically while picking up the telephone, set VIP numbers.
Set the black name list and confine numbers
Support point-point calling directly.
Support flexible methods of receiving numbers.
Support silence suppression and silence detection.
Support noise background simulation.
Support echoes suppression and auto gain.