目 录一.总述...................................................................31.1 定义.................................................................31.2 计划.................................................................31.3 本技术法律规范书的内容..............................................31.4 建议书要求..........................................................31.5 标准和性能..........................................................41.6 卖方供货和服务范围..................................................41.7 买方工作范围........................................................6二.工程描述..............................................................62.2 工程目标............................................................72.3 网络构成............................................................7三、总体要求..............................................................8四、系统基本技术业务要求..................................................94.1 系统设计指标.......................................................94.2 系统体系结构及编址................................................104.3 互联要求..........................................................104.4 网络协议..........................................................114.5 路由设备..........................................................124.6 路由机制..........................................................134.7 时钟同步及时间同步................................................134.8 系统开放性........................................................134.9 接入平台功能和其他功能要求........................................144.9.1 PSTN拨号接入功能..............................................144.9.2 ISDN接入功能..................................................144.9.3 接入设备其他要求..............................................15五、用户接入及服务.......................................................165.1 接入方式..........................................................