【正文】 ...................................................9 支撐系統(tǒng)現(xiàn)狀分析 .............................................................................................................10 計(jì)費(fèi)帳務(wù) ..................................................................................................................10 IBSS 系統(tǒng)： .............................................................................................................11 CRM...........................................................................................................................13 SRD ...........................................................................................................................13 163 后臺(tái)系統(tǒng) ...........................................................................................................13 省計(jì)費(fèi)結(jié)算系統(tǒng) ......................................................................................................15 承載網(wǎng)現(xiàn)狀分析 .................................................................................................................163 3G 帶來(lái)的新業(yè)務(wù)需求 ......................................................................................................184 OCS 在線計(jì)費(fèi)系統(tǒng)方案概述 .........................................................................................18 OCS 與現(xiàn)有計(jì)費(fèi)系統(tǒng)的關(guān)系 ..............................................................................................18 計(jì)費(fèi)方案一（SCP＋HotBilling） ..........................................................................18 計(jì)費(fèi)方案二（HotBilling） .....................................................................................19 計(jì)費(fèi)方案三（OCS＋HotBilling＋SRD ） ..............................................................21 OCS 體系架構(gòu) ......................................................................................................................22 OCS 業(yè)務(wù)流程 ......................................................................................................................24 OCS 系統(tǒng)功能 ......................................................................................................................25電信實(shí)時(shí)計(jì)費(fèi)系統(tǒng)研究第 II 頁(yè) 5 OCS 建設(shè)方案 .........................................................................................................................27 初期目標(biāo) ..............................................................................................................................27 新建 OCS 方案 .....................................................................................................................27 功能架構(gòu) ..................................................................................................................27 通用接口層 ..............................................................................................................28 會(huì)話控制 ..................................................................................................................28 余額管理 ..................................................................................................................28 批價(jià)管理 ..................................................................................................................28 計(jì)費(fèi)網(wǎng)關(guān) ..................................................................................................................29 系統(tǒng)管理 ..................................................................................................................29 OCP 接口 ..................................................................................................................29 CDR 接口 ..................................................................................................................29 IF2 接口 ..................................................................................................................29 Bo 接口 ...................................................................................................................29 SRD 接口 ................................................................................................................29 系統(tǒng)架構(gòu)和部署 .....................................................................................................29 網(wǎng)絡(luò)組織 .................................................................................................................30 網(wǎng)絡(luò)配套改造建設(shè)方案 .....................................................................................................31 支撐系統(tǒng)配套改造方案 .....................................................................................................31 CRM...........................................................................................................................31 SRD ...........................................................................................................................31 統(tǒng)一充值平臺(tái) ...........................................................................................................32 新業(yè)務(wù)實(shí)現(xiàn)方案 .................................................................................................................34 新裝 3G 用戶 ............................................................................................................34 修改 3G 用戶 ............................................................................................................35 充值 ...........................................................................................................................35 承載網(wǎng)方案 .........................................................................................................................36 對(duì)承載網(wǎng)的總體要求 ...............................................................................................36 承載方案 ...................................................................................................................37 安全容災(zāi)建議 .....................................................................................................................38 容災(zāi)功能要求 ...........................................................................................................38 容災(zāi)方案架構(gòu) .........