Specifications: Jr168-900 IP phone is an internet based voice network phone terminal. Phone series IP phone adopts multiple voice control protocols and voice compression coding methods to directly convert analog voice into IP packet for internet transport, thus effectively using the existing bandwidth to provide pstn quality voice service. Jr168-900 IP phone supports h323, sip, protocols, support bridge and router model. Support h323 and dual public server, offers two ethernet interface and is compatible with various softswitch systems and VOIP voice gateways to provide broadband IP voice service. Features Supported specification and applications Data networking: Mac address Tcp: Transmission control protocol Dhcp: Dynamic host configuration protocol Pppoe: Ppp protocol over ethernet Sntp, simple network time protocol Stun - simple traversal of user datagram... Md5 message-digest algorithm Tos: Type of service Dns: Domain name server Support bridge and router model Rtp: Real-time transport protocol Rtcp: Real-time control protocol Telnet: I nternet\'\'s remote login protocol HTTP: Hyper text transfer protocol Ftp: File transfer protocol Tftp: Trivial file transfer protocol Call control/VOIP features Sip rfc3261 Mgcp rfc2705 H323 v4 Tone generation and local dtmf re-generation according with itu-t Voice algorithms G.711(a-law or u-law) G.723.1(6.3kbps,5.3 kbps) G729/GSM/ilbc Agc(auto gain control) G.168/165 compliant 16ms echo cancellation Aec(auto echo cancellation) Vad (voice activity detection) Cng(comfort noise generation) Key features Voice features Call hold Unattended/attended call transfer Call waiting and per call-waiting blocking Call forward (always, busy, no answer, power off) VOIP speed dial VOIP digital map User define ring tone E.164 dial plan and customize dial rules Caller number/name display Mwi(message wait indication) Voice promote Configurable jitter buffer size Configurable audio frame Support bridge and router model Support h323 and dual public server Data features Static/dynamic wan-ip-addressing Pppoe Management and setting HTTP, telnet, keypad and dedicate manage tool Adjustable user password and super password Url based ftp, HTTP and tftp auto provision Configure file download and upload by palmtool Safe mode provide reliability Four servers store and load by keypad 80 entries each for missed calls, answered calls and dialed calls 100 entries for speed dial number Multiply language support