【正文】 ..............................................7 總體性能的需求 ......................................................................................................7第二章 視頻會(huì)議系統(tǒng)設(shè)計(jì)原則 ..............................................................................................9 先進(jìn)性原則 .....................................................................................................................9 兼容性原則 .....................................................................................................................9 可擴(kuò)展性原則 .................................................................................................................9 可靠性原則 .....................................................................................................................9 可管理性原則 ...............................................................................................................10 安全性原則 ...................................................................................................................10第三章 視頻會(huì)議系統(tǒng)的組網(wǎng)方案 ........................................................................................12 視頻網(wǎng)絡(luò)拓?fù)鋱D ...........................................................................................................12 設(shè)備選型的原則 ...........................................................................................................12 POLYCOM 公司的優(yōu)勢(shì) ...............................................................................................13 主流廠家 ................................................................................................................13 主流產(chǎn)品 ................................................................................................................14 主流技術(shù) ................................................................................................................15 高性能價(jià)格比 ........................................................................................................15 面向客戶的專業(yè)服務(wù) ............................................................................................16 POLYCOM 產(chǎn)品功能特點(diǎn)介紹 ...................................................................................16 POLYCOM POLYCOM hdx 8000 —— 大型會(huì)議室型視頻終端 .....................22 視頻會(huì)議系統(tǒng)設(shè)計(jì)結(jié)構(gòu)圖 ...........................................................................................303 / 26 視頻會(huì)議系統(tǒng)設(shè)計(jì)方案描述 .......................................................................................30 設(shè)備功能說明 ........................................................................................................30 各會(huì)場(chǎng)配置設(shè)備 ....................................................................................................31第四章 視頻會(huì)議系統(tǒng)會(huì)議功能 ..........................................................................................32 點(diǎn)對(duì)點(diǎn)會(huì)議 ...................................................................................................................32 基于 MGC 的多點(diǎn)會(huì)議 ................................................................................................33 多種會(huì)議接入類型 ................................................................................................33 多種會(huì)議召開方式 ................................................................................................33 多種會(huì)議控制方式 ................................................................................................34 基于 MGC 的分組多點(diǎn)會(huì)議 ........................................................................................34第五章 雙流功能 ........................................................................................................36 ITU 雙流數(shù)據(jù)會(huì) 議 .........................