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VDCMedia - Công Nghệ Điện Thoại IP (VoIP) phần 10

Giao thức H323 không chỉ được dùng trong truyền tiếng nói mà còn được dùng để truyền video trên nền mạng IP (giải pháp video conference) | SVTH THÁI QUANG TUNG 109 GCF Gatekeeper Confirm GRJ Gatekeeper Reject GRQ Gatekeeper Request GW Gateway IRQ Information Request IRR Information Request Response ISDN Integrated Services Digital Network IE Information Element IP Internet Protocol LCF Location Confirm LRJ Location Reject LRQ Location Request LAN Local Area Network MC Multipoint Controller MCU Multipoint Control Unit MP Multipoint Processor MMA Mediastream Management ASIC PC Personal Computer PCM Pulse Code Modulation PDU Protocol Data Unit QoS Quality of Service RAS Registration Admission and Status RIP Request In Progress RRJ Registration Reject http www.ebooks.vdcmedia.com SVTH THÁI QUANG TUNG 110 RRQ Registration Request RTCP Real-time Transport Control Protocol RTOS Real-Time Operating System RTP Real-time Transport Protocol SCN Switched Circuit Network SP Signal Processor TCP Transport Control Protocol TSAP Transport Service Access Point TSP Telephone Service Provider. UDP User Datagram Protocol UCF Unregistration Confirm URJ Unregistration Reject URQ Unregistration Request VSR Voice Stream Resource WAN Wide Area Network http www.ebooks.vdcmedia.com SVTH THÁI QUANG TUNG 111 TÁI LIỆU THAM KHÁO ITU-T Recommendation H323 02 1998 Packet-based multimedia communication systems. ITU-T Recommendation H225.0 1998 Call signalling protocols andmedia stream packettization for packet-based mutimedia communication systems. ITU-T Recommendtion H245 1998 Control protocol for multimedia communication. ITU-T Recommendation Q.931 1998 ISDN user-network interface layer 3 specification for basic call control . ETSI TS 101 322 1999 Signalling for basic calls and inter domain calls between an H.323 Terminal and a Terminal in a SCN Phase II Scenario 1 Scenario 2. ETSI TS 101 471 07 1999 Signalling for calls between H.323 Terminals and Terminals in a Swiched-Circuit Network SCN Phase III Scenario 1 2 3 4. Nghiên cứu công nghệ điện thoai trên Internet - Ths Đinh Văn Dung 12 1998 Nghiện cứu triện khai thứ nghiệm dịch vu .