Model Number	PH802T
Brand Name	Wuchuan/OEM

SIP IP phone support VPN, with PSTN line, can switch between the IP phone and common phone liberally.Besides, it can register 3 SIP account and GSM voice code included. Lower price but with more powerful function! Support Protocol: SIP (RFC3261, RFC2543) Voice codec: G711A/u, G729, G726, G723, GSM G.168 echo cancellation standard, compliant 96ms with speaker mode Jitter Buffer, VAD, CNG, SIP Domain name register 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 three SIP server synchronously, including Pubic Server/ Private server, can make a call by any proxy Support SIP application, including SIP Call forward/transfer/holding/waiting. Support TCP/UDP/TFTP/SIP/RTP/RTCP/NTP/PPPOE function. Network Features Support two models: Bridge and Router, integrate two ports router function. Support basic NAT, NAPT and DMZ. 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 package information. Support three modes to configure WAN port IP, they are: static, DHCP, and PPPoE. Support Secondly Layer QoS(802.1p) Support VPN PPTP protocol Advanced Function Register 3 SIP account and 1 common phone number synchronously. That means 3 VOIP numbers, 1 common telephone number, just four numbers in one device. Call waiting, call transferring, three way call, multi-way forward call Switch between the IP phone and common phone liberally. Call ID display, ban calling out, setting no-disturb, dial number automatically while picking up the telephone. Support point-point calling directly Support silence suppression and silence detection. Support noise background simulation. Support phone book and quick dial function. Support echoes suppression and auto gain. Alarm function MAC address clone