【正文】 協(xié)議目錄1 定義及縮略語(yǔ) 52 參考資料 83 9 9 概況 9 9 10 ISO消息樹(shù) 12 Zone 13 組件 14 終端(Terminal) 14 網(wǎng)關(guān)(Gateway) 15 網(wǎng)守(Gatekeeper) 16 多點(diǎn)控制單元(MCU) 16 信道/通道 19 RAS信道 20 呼叫信令信道 20 20 媒體的邏輯信道 20 H323協(xié)議相關(guān) 20 協(xié)議 20 主要文件 21 214 22 22 典型 流程 23 24 典型呼叫建立流程 24 快速連接amp。隧道技術(shù) 26 快速連接 26 流程 27 主叫端處理 27 被叫端處理 29 隧道技術(shù) 31 快速連接與慢速連接的比較 34 快速建立媒體信道的設(shè)計(jì)與實(shí)現(xiàn) 34 Ad Hoc 365 RAS 37 說(shuō)明 37 格式 38 流程 39 網(wǎng)守發(fā)現(xiàn)過(guò)程 39 終端節(jié)點(diǎn)注冊(cè)過(guò)程 40 RRQ 42 RCF 43 RRJ 43 URQ/UCF/URJ 44 ARQ/ACF/ARJ接入過(guò)程 45 DRQ/DCF/DRJ脫離過(guò)程 47 帶寬修改 47 位置請(qǐng)求 49 Status 50 Request in Progress (RIP) 51 超時(shí)和重發(fā) 526 52 說(shuō)明 52 格式 53 超時(shí) 557 55 Progress 56 Facility 57 A Basic Call with GK Routed Call Signaling 59 Information 60 Status 61 流程 61 直接選路方式 62 網(wǎng)守選路方式 62 H225字段 62 原因碼 64 原因碼 64 ReleaseCompleteReason 708 71 說(shuō)明 71 格式 71 消息 72 流程 72 TCS/TCSAck 73 OLC/OLCAck 74 Open Unidirectional Logical Channel 74 Open Bidirectional Logical Channels 75 OLC 75 OLCAck 76 MSD/MSDAck 779 78 呼叫轉(zhuǎn)移 79 呼叫前轉(zhuǎn) 80 呼叫保持 81 呼叫等待 83 呼叫遷移和代答 83 報(bào)文等待指示 83 名字標(biāo)識(shí) 8310 媒體 84 音頻 84 iLBC 84 視頻 86 86 帶寬計(jì)算 86 RTP冗余技術(shù) 8711 8712 87 格式 87 t38fax 87 T38FaxProfile 88 T38FaxRateManagement 89 例 90 流程 91 普通方式 91 隧道方式 91 例 9213 DTMF 93 DTMF frequencies 93 二次撥號(hào)模式 93 In Band 93 RFC2833 94 格式 94 例 95 UII String /Alphanumeric 95 UII Signal 95 Keypad 9614 組網(wǎng) 97 網(wǎng)守的架構(gòu) 98 IntraZone Call 99 InterZone Call 99 InterZone Call via Directory GK 10015 Radius 100 認(rèn)證流程 100 ARQ 101 計(jì)費(fèi)流程 101 Setup 102 ReleaseComplete 10216 附錄 103 103 103 構(gòu)造類型 105 類型定義 105 賦值 105 編碼規(guī)則 105 BER 106 PER 107 107 H323一個(gè)呼叫流程 109 SIP/ 112 注冊(cè) 112 呼叫 112 快速方式SIP to 113 to SIP 113 to SIP 114 普通方式SIP to 115 SS7/ 1161 定義及縮略語(yǔ)本文中 網(wǎng)守 = 關(guān)守 = 網(wǎng)閘 = GK = Gatekeeper4CIF 4 times CIF16CIF 16 times CIFABNF Augmented BackusNaur FormABR Available Bit RateABT/DT ATM Block Transfer/Delayed TransmissionABT/IT ATM Block Transfer/Immediate TransmissionACF Admission ConfirmationAGW Access GatewayAPE Application Protocol EntityARJ Admission RejectARQ Admission RequestATC ATM Transfer CapabilityATM Asynchronous Transfer ModeBAS Bit rate Allocation SignalBCF Bandwidth Change ConfirmationBCH Bose, Chaudhuri, and HocquenghamBHLI Broadband High Layer InformationBISDN Broadband Integrated Services Digital NetworkBRJ Bandwidth Change RejectBRQ Bandwidth Change RequestBTC Broadband Transfer CapabilityCAS Channel Associated SignallingCDV Cell Delay VariationCED Called Terminal Identification ToneCER Cell Error RatioCID Conference IdentifierCIF Common Intermediate FormatCLR Cell Loss RatioCMR Cell misinsertion rateCNG Calling ToneCTD Cell Transfer DelayDBR Deterministic Bit RateDCF Disengage ConfirmationDCN DisconnectDNS Domain Name SystemDRQ Disengage RequestDSVD Digital Simultaneous Voice and DataDTMF DualTone MultiFrequencyFAS Facility Associated SignallingFEC Forward Error CorrectionFIR Full Intra RequestGCC Generic Conference ControlGCF Gatekeeper ConfirmationGID Global Call IdentifierGIT Generic Identifier TransportGK GatekeeperGQOS Guaranteed Quality of ServiceGRJ Gatekeeper RejectGRQ Gatekeeper RequestGSTN General Switched Telephone NetworkGW GatewayHDLC High Level Data Link ControlHTTP Hypertext Transfer ProtocolIACK Information AcknowledgmentIANA Internet Assigned Number AuthorityID IdentifierIE Information ElementIETF Internet Engineering Task ForceIMT Intermachine TrunkINAK Information Negative AcknowledgmentIP Internet ProtocolIPX Internetwork Protocol ExchangeIRQ Information RequestIRR Information Request ResponseISDN Integrated Services Digital NetworkISUP ISDN User PartITUT International Telemunication Union–Telemunication Standardization SectorLAN Local Area NetworkLCF Location ConfirmationLRJ Location RejectLRQ Location RequestMC Multipoint ControllerMCS Multipoint Communications SystemMCU Multipoint Control UnitMG Media GatewayMGC Media Gateway ControllerMIME Multipurpose Internet Mail ExtensionsMP Multipoint ProcessorMTU Maximum Transmission UnitNISDN Narrowband Integrated Services Digital NetworkNACK Negative AcknowledgeNFAS Nonfacility Associated SignallingNNI NetworktoNetwork InterfaceNSAP Network Layer Service Access PointOLC openLogicalChannel messagePBN Packet Based NetworkPCM Pulse Code ModulationPDU Packet Data UnitPPP PointtoPoint ProtocolPRI Primary Rate InterfaceQCIF Quarter CIFQOS Quality of ServiceQSIG Signalling between the Q reference points defined in [45]RAS Registration, Admission and StatusRAST Receive and Send TerminalRCF Registration ConfirmationRIP Request in ProgressRRJ Registration RejectRRQ Registration RequestRTCP Real Time Control ProtocolRTP Real Time ProtocolSBE Single Byte ExtensionSBR1 Statistical Bit Rate configuration 1SBR2 Statistical Bit Rate configuration 2SBR3 Statistical Bit Rate configuration 3SCI Service Control IndicationSCM Selected Communications ModeSCN Switched Circuit NetworkSCR Service Control ResponseSDL Specification and Description LanguageSECBR Severely Errored Cell Block RatioSPX Sequential Protocol ExchangeSQCIF Sub QCIFSS7 Signalling System No 7SSRC Synchronization Source IdentifierTCP Transport Control ProtocolTGW Trunking GatewayTSAP Transport layer Service Access PointUCF Unregister ConfirmationUDP User Datagram ProtocolUNI UsertoNetwork InterfaceURJ Unregister RejectURQ Unregister RequestVC Virtual Channel2 參考資料1. Packetizer 2. Forum 3. OpenH323 3 NGN主要協(xié)議: ——呼叫控制協(xié)議：ISUP、TUP、PRI、BRI、BICC、SIPT、 ——傳輸控制協(xié)議：TCP、UDP、SCTP、M3UA、M2P