【正文】 .............................................................................4. 交換機的硬件基本組成 ......................................................................................................4 交換機軟件 .........................................................................................................................6 控制系統(tǒng)的一般結構 .........................................................................................................6第三節(jié) 呼叫處理流程 ......................................................................................................................7 電話呼叫的基本處理流程 ..............................................................................................7 復原控制方式 ..................................................................................................................8 計費方式 ..........................................................................................................................9第四節(jié) 程控交換機的主要性能指標 ..............................................................................................9 程控交換機的容量 ..........................................................................................................9 程控交換機提供的接口和信令 ....................................................................................10 交換系統(tǒng)可靠性 ............................................................................................................10第二章 電話網(wǎng) .....................................................................................................................................10第一節(jié) 電話網(wǎng)的等級結構 ............................................................................................................10 網(wǎng)的基本形式 ................................................................................................................10 電話網(wǎng)的等級結構 ........................................................................................................13 長途交換中心的等級劃分及職能 ................................................................................14第二節(jié) 電話網(wǎng)的編號計劃 ............................................................................................................14 撥號方式 ........................................................................................................................14 第一位號碼的分配使用 ................................................................................................15 首位為 “1”的號碼安排 ..................................................................................................15 長途編號 ........................................................................................................................15第三節(jié) 固定電話網(wǎng)基本通信業(yè)務 ................................................................................................16第四節(jié) 多運營商時電話網(wǎng)的組網(wǎng)方式 ........................................................................................16第三章 話務及呼叫處理能力 .............................................................................................................17第一節(jié) 話務量與話務統(tǒng)計 ............................................................................................................17 話務量的基本概念 ........................................................................................................17 話務量的計算 ................................................................................................................18 話務統(tǒng)計基本概念 ........................................................................................................21 話務統(tǒng)計的方法 ............................................................................................................213 / 150第二節(jié) 話務控制 ............................................................................................................................22 話務控制的概念 ............................................................................................................22 話務控制的方法 ............................................................................................................22第三節(jié) 呼叫處理能力 ....................................................................................................................23 呼叫處理能力的基本概念 ............................................................................................23 影響交換機呼叫處理能力的因素 ................................................................................23 呼叫處理能力的計算方法 ............................................................................................24第四章 智能網(wǎng) .....................................................................................................................................26第一節(jié) 智能網(wǎng)體系結構 ..................................................................................................................26 IN 概念 ...............................................................................................................................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 .............................................................