【正文】 ..............................................7 總體性能的需求 ......................................................................................................7第二章 視頻會議系統(tǒng)設計原則 ..............................................................................................9 先進性原則 .....................................................................................................................9 兼容性原則 .....................................................................................................................9 可擴展性原則 .................................................................................................................9 可靠性原則 .....................................................................................................................9 可管理性原則 ...............................................................................................................10 安全性原則 ...................................................................................................................10第三章 視頻會議系統(tǒng)的組網(wǎng)方案 ........................................................................................12 視頻網(wǎng)絡拓撲圖 ...........................................................................................................12 設備選型的原則 ...........................................................................................................12 POLYCOM 公司的優(yōu)勢 ...............................................................................................13 主流廠家 ................................................................................................................13 主流產(chǎn)品 ................................................................................................................14 主流技術 ................................................................................................................15 高性能價格比 ........................................................................................................15 面向客戶的專業(yè)服務 ............................................................................................16 POLYCOM 產(chǎn)品功能特點介紹 ...................................................................................16 POLYCOM POLYCOM hdx 8000 —— 大型會議室型視頻終端 .....................22 視頻會議系統(tǒng)設計結構圖 ...........................................................................................303 / 26 視頻會議系統(tǒng)設計方案描述 .......................................................................................30 設備功能說明 ........................................................................................................30 各會場配置設備 ....................................................................................................31第四章 視頻會議系統(tǒng)會議功能 ..........................................................................................32 點對點會議 ...................................................................................................................32 基于 MGC 的多點會議 ................................................................................................33 多種會議接入類型 ................................................................................................33 多種會議召開方式 ................................................................................................33 多種會議控制方式 ................................................................................................34 基于 MGC 的分組多點會議 ........................................................................................34第五章 雙流功能 ........................................................................................................36 ITU 雙流數(shù)據(jù)會 議 .........................