VoIP Phone CS-830

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CS-830 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. CS-830 IP phone supports SIP protocols,Support Bridge and Router model. offers Two Ethernet interface and is compatible with various softswitch systems and VoIP voice gateways to provide broadband IP voice service.. 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 QoS: Quality of service control option 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 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, high/low) G729 ,G.726 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

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