【資料名稱(chēng)】：MSOFTX3000信令類(lèi)故障處理專(zhuān)題

【資料作者】：hw

【資料日期】：2012

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

課程說(shuō)明 ....................................................................................................................................... 3
課程介紹 ................................................................................................................................. 3
課程目標(biāo) ................................................................................................................................. 3
相關(guān)資料 ................................................................................................................................. 3
第1章 MTP故障處理 ................................................................................................................... 4
1.1 MTP3故障判斷 ................................................................................................................. 4
1.1.1 基于M2UA 64K的MTP3鏈路建立過(guò)程： ............................................................... 4
1.1.2 基于TDM64K的MTP3鏈路建立過(guò)程： .................................................................. 5
1.1.3 MTP3鏈路故障判斷 ................................................................................................ 5
1.2 MTP3問(wèn)題定位方法 .......................................................................................................... 6
1.2.1 啟動(dòng)消息跟蹤，選擇L2 ........................................................................................... 6
1.2.2 檢查目的信令點(diǎn)、路由和底層鏈路狀態(tài) .................................................................... 7
1.2.3 自環(huán)測(cè)試（僅用于MTP3鏈路配置在WCSU板） ................................................... 8
1.2.4 自環(huán)測(cè)試（基于M2UA的MTP3鏈路，配置在BSG板上）..................................... 8
1.3 MTP3常見(jiàn)問(wèn)題現(xiàn)象及解決................................................................................................ 8
1.3.1 MTP3 over M2UA常見(jiàn)問(wèn)題分析及解決 ................................................................... 8
1.3.2 MTP3 over MTP2常見(jiàn)問(wèn)題分析及解決 ................................................................... 9
第2章 SCCP層故障處理 ........................................................................................................... 10
2.1 基本概念與原理............................................................................................................... 10
2.2 問(wèn)題定位方法 .................................................................................................................. 10
2.2.1 消息跟蹤 ............................................................................................................... 10
2.2.2 常用維護(hù)與配置命令 ............................................................................................. 10
2.3 SCCP常見(jiàn)問(wèn)題............................................................................................................... 11
2.3.1 業(yè)務(wù)運(yùn)行正常時(shí)，SCCP USER跟蹤窗口沒(méi)有消息 ................................................ 11
2.3.2 位置更新或者呼叫業(yè)務(wù)請(qǐng)求被SCCP拒絕 ............................................................. 12
2.3.3 呼叫流程中尋呼消息發(fā)出后，RNC無(wú)尋呼響應(yīng)問(wèn)題 ............................................... 13
2.3.4 呼叫建立后，SCCP連接釋放，通話無(wú)法長(zhǎng)時(shí)間保持。 ......................................... 14
2.3.5 上層用戶發(fā)送的消息到達(dá)了SCCP，SCCP無(wú)法發(fā)送到對(duì)端的問(wèn)題 ........................ 15
第3章 TCAP層故障處理 ........................................................................................................... 17
3.1 基本概念與原理............................................................................................................... 17
3.1.1 TCAP的基本結(jié)構(gòu) ................................................................................................. 18
3.2 問(wèn)題定位方法 .................................................................................................................. 18
3.3 常見(jiàn)問(wèn)題現(xiàn)象及解決 ........................................................................................................ 19
3.3.1 智能業(yè)務(wù)不通，CAP消息無(wú)法發(fā)送到SCP ............................................................ 19
第4章 SIGTRAN故障處理 ........................................................................................................ 21
4.1 SIGTRAN功能 ................................................................................................................ 21
4.1.1 協(xié)議棧結(jié)構(gòu) ........................................................................................................... 21
4.1.2 在CS中的應(yīng)用 ..................................................................................................... 22
4.2 SCTP.............................................................................................................................. 23
4.2.1 基本概念 ............................................................................................................... 23
4.2.2 SCTP工作流程 ..................................................................................................... 24
4.2.3 SCTP問(wèn)題定位方法 .............................................................................................. 25
4.2.4 SCTP常見(jiàn)故障－本端發(fā)送INIT消息未得到響應(yīng) ................................................... 25
4.2.5 SCTP常見(jiàn)故障－本端發(fā)送INIT消息收到對(duì)方的ABORT消息 .............................. 26
4.3 M3UA ............................................................................................................................. 28
4.3.1 基本概念 ............................................................................................................... 28
4.3.2 M3UA工作流程 .................................................................................................... 29
4.3.3 M3UA故障判斷 .................................................................................................... 29
4.3.4 問(wèn)題定位方法 ........................................................................................................ 30
4.3.5 M3UA鏈路常見(jiàn)問(wèn)題現(xiàn)象及解決 ............................................................................ 31
4.4 M2UA ............................................................................................................................. 33
4.4.1 基本概念 ............................................................................................................... 33
4.4.2 M2UA故障判斷 .................................................................................................... 33
4.4.3 問(wèn)題定位方法 ........................................................................................................ 35