Vo IP integrate compuse PSTNPBX with SIPENUMIVR F
校園網路總機系統 Vo. IP integrate compuse PSTN-PBX with SIP/ENUM/IVR 專題F組 指導老師 郭育政
Architecture — part I
Architecture — part II
SIP Servers/Services Registrar Redirect Location Database SIP Servers/ Services “Where is this name/phone#? ” REGISTER “Here I am” 3 xx Redirection “They moved, try this address” SIP Proxy Proxied INVITE “I’ll handle it for you” INVITE “I want to talk to another UA SIP User Agents SIP-GW
SIP Vo. IP Review – Proxy Server Signaling PSTN SIP Vo. IP Network Calling Party SIP Signaling & SDP Signaling (UDP or TCP) Media (UDP) INVITE 100 Trying Called Party INVITE 100 Trying 180 Ringing 200 OK ACK RTCP Stream Signaling Bearer Or Media NOTE-1: Proxy Server NEVER originates signaling. NOTE-2: Proxy Server can be Stateless or Transaction-Stateful
SER附加補充 另一種認證方式 無線通訊整合 GPRS、3 GPP Bluetooth NAT穿越技術 STUN Mediaproxy RTproxy CPL通訊處理語言
Demo SER說明 不同的軟體通訊程式 3 cx[有debug環境] X-Lite[支援影像、介面友善] FWD[理論上應該可以用] PC-IP Phone-IP Phone Interactive Voice Response
ENUM Scenario Enum Record $ORIGIN 6. 1. 6. 5. 1. 9. 5. 3. 6. 8. 8. e 164. arpa. IN NAPTR 100 10 “u” “sip+E 2 U” IN NAPTR 102 10 “u” “tel+E 2 U” IN NAPTR 102 10 “u” “mailto+E 2 U” E-Mail Server DNS ENUM Server “!^. *$!sip: slchou@itri-sip-proxy. org. tw!” “!^. *$!tel: +886910961527!” “!^. *$!mailto: slchou@itri. org. tw!” 3 3 IP Network 5 2 SIP Phone SIP Proxy Signal Gateway IAD Softswitch 4 Media Gateway 1 Dial: 03 -5915616 0910961527 1. 2. 3. 4. 5. User Dial Tel. No ENUM Query, get 3 URIs Make SIP Call, No Answer Make Mobile Call, Fail Connect to E-Mail
整合IVR互動語音應答系統 introduce IVR( interactive voice response) IVM suite demo 實際應用架構[推測] 後續研究議題
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