【正文】 ............26 IN 物理結構 .......................................................................................................................27 IN 特征 ...............................................................................................................................30 IN 概念模型 .......................................................................................................................31第二節(jié) 智能網(wǎng)呼叫處理 ..................................................................................................................37第三節(jié) 智能網(wǎng)計費 ..........................................................................................................................41第四節(jié) 智能網(wǎng)業(yè)務 ..........................................................................................................................42 業(yè)務要求 ................................................................................................................................42 IN 業(yè)務 ................................................................................................................................43 典型業(yè)務介紹 ........................................................................................................................45第五章 七號信令網(wǎng) .............................................................................................................................45第一節(jié) 7 號信令系統(tǒng) .......................................................................................................................45 信令的基本概念 ...................................................................................................................45 信令的分類 ...........................................................................................................................46 信令系統(tǒng)概述 ..............................................................................................................47第二節(jié) 信令網(wǎng)的分類與結構 ..........................................................................................................48. 信令網(wǎng)概念 ..............................................................................................................48. 信令系統(tǒng)的工作方式 ..............................................................................................49. 信令網(wǎng)的組成和分類 ..........................................................................................................50. 我國信令網(wǎng)的結構和網(wǎng)絡組織 ........................................................................................51第三節(jié) 信令網(wǎng)的信令點編號和信令路由的分類 ..........................................................................52. 信令網(wǎng)的信令點編碼 ..........................................................................................................52. 信令路由的分類 ..................................................................................................................53第四節(jié) 信令結構及信令單元 ................................................................................................55. 信令系統(tǒng)的結構 ......................................................................................................56. 信令單元分類 ....................................................................................................................59 信令單元格式 ........................................................................................................................61 消息信令單元內(nèi)部格式 ........................................................................................................62 消息組名和消息名 ................................................................................................................67第五節(jié) 信令的基本流程 ........................................................................................................71 一次成功的呼叫過程 ............................................................................................................71 ISUP 基本呼叫過程 ...........................................................................................................72第六章 數(shù)字同步網(wǎng) .............................................................................................................................724 / 150第一節(jié) 數(shù)字同步網(wǎng)的同步方式 ......................................................................................................73. 網(wǎng)同步的必要性 ..................................................................................................................73. 數(shù)字同步網(wǎng)的同步方式 ......................................................................................................73第二節(jié) 數(shù)字同步網(wǎng)的性能指針及同步網(wǎng)的監(jiān)控 ............................................................................74 ........................................................................................................74 同步網(wǎng)的監(jiān)控管理網(wǎng)絡 .......................................................................................................75 同步網(wǎng)的安全管理措施 .......................................................................................................75第三節(jié) 我國數(shù)字同步網(wǎng)簡介 ............................................................................................................76 我國數(shù)字同步網(wǎng)采用的同步方式 .......................................................................................76第七章 軟交換網(wǎng)絡 .............................................................................................................................77第一節(jié) 固網(wǎng)智能化 ........................................................................................................................77 固網(wǎng)智能化簡介 ............................................................................................................77 固網(wǎng)智能化技術方案比較 ............................................................................................79第二節(jié) 軟交換技術簡介 ................................................................................................................81 網(wǎng)絡總體結構 ................................................................................................................81 軟交換網(wǎng)絡總體結構 ....................................................................................