Support SIP(RFC3261, RFC3262, RFC3265)
Support IAX2 Protocol
Voice Codec: G. 711A/u, G. 729, G726, i LBC
G. 168 echo cancellation standard, compliant 96ms echo cancellation with speaker mode
Adjust the volume: Including the input and output of the handset and free- hand.
Jitter Buffer, VAD, SIP, Domain name register, point-to-point Call
SRV mode: Can auto-swap between main and backup server
RTP and RTCP

Support the Inbound/Outbound transmission; SIP info, DTMF Relay, RFC2833
Many countries' standard ring.
NAT transversal: Support STUN, CITRON, AVS Mode
Support SIP domain, SIP Authentication(none, basic, MD5), Domain Name parse
Support two SIP server synchronously, including Pubic Server/ Private server, can make a call by either proxy
Support redundancy public server, can auto swap to backup server when main server has problem.
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, 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 info package.

Support Network Tools, including ping, race route, telnet client.
Support three modes to configure WAN port IP, they are: Static, DHCP, and PPPoE.
Provide firewall control for small LAN.
Provide optional priority level for small LAN.
Support Secondly Layer QoS.

Trademark: OEM or Wuchuan
Model: TBPHONE1000
Productivity: 500, 000 pcs/year
Origin: China
Min. Order: Accept Trial Order
Company: Wuchuan Network Tec Co., Ltd