【正文】 電話網(wǎng)的等級(jí)結(jié)構(gòu) ............................................................................................................10 網(wǎng)的基本形式 ................................................................................................................10 電話網(wǎng)的等級(jí)結(jié)構(gòu) ........................................................................................................13 長(zhǎng)途交換中心的等級(jí)劃分及職能 ................................................................................14第二節(jié) 電話網(wǎng)的編號(hào)計(jì)劃 ............................................................................................................14 撥號(hào)方式 ........................................................................................................................14 第一位號(hào)碼的分配使用 ................................................................................................15 首位為 “1”的號(hào)碼安排 ..................................................................................................15 長(zhǎng)途編號(hào) ........................................................................................................................15第三節(jié) 固定電話網(wǎng)基本通信業(yè)務(wù) ................................................................................................16第四節(jié) 多運(yùn)營(yíng)商時(shí)電話網(wǎng)的組網(wǎng)方式 ........................................................................................16第三章 話務(wù)及呼叫處理能力 .............................................................................................................17第一節(jié) 話務(wù)量與話務(wù)統(tǒng)計(jì) ............................................................................................................17 話務(wù)量的基本概念 ........................................................................................................17 話務(wù)量的計(jì)算 ................................................................................................................18 話務(wù)統(tǒng)計(jì)基本概念 ........................................................................................................21 話務(wù)統(tǒng)計(jì)的方法 ............................................................................................................213 / 150第二節(jié) 話務(wù)控制 ............................................................................................................................22 話務(wù)控制的概念 ............................................................................................................22 話務(wù)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(jī)呼叫處理能力的因素 ................................................................................23 呼叫處理能力的計(jì)算方法 ............................................................................................24第四章 智能網(wǎng) .....................................................................................................................................26第一節(jié) 智能網(wǎng)體系結(jié)構(gòu) ..................................................................................................................26 IN 概念 ...............................................................................................................................26 IN 物理結(jié)構(gòu) .......................................................................................................................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(jì)費(fèi) ..........................................................................................................................41第四節(jié) 智能網(wǎng)業(yè)務(wù) ..........................................................................................................................42 業(yè)務(wù)要求 ................................................................................................................................42 IN 業(yè)務(wù) ................................................................................................................................43 典型業(yè)務(wù)介紹 ........................................................................................................................45第五章 七號(hào)信令網(wǎng) .............................................................................................................................45第一節(jié) 7 號(hào)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(jié)構(gòu) ..........................................................................................................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(guó)信令網(wǎng)的結(jié)構(gòu)和網(wǎng)絡(luò)組織 ........................................................................................51第三節(jié) 信令網(wǎng)的信令點(diǎn)編號(hào)和信令路由的分類 ..........................................................................52. 信令網(wǎng)的信令點(diǎn)編碼 ..........................................................................................................52. 信令路由的分類 .........