中国电信广东公司IPPBX设备技术规范中国电信股份有限公司广东分公司2014年3月目录1范围..................................................................................................................52引用标准..........................................................................................................53符号和缩略语..................................................................................................64网络位置..........................................................................................................65功能要求..........................................................................................................75.1设备管理.............................................................................................75.2注册功能.............................................................................................85.3SIP中继功能.......................................................................................95.4业务功能.............................................................................................95.4.1接入终端要求.....................................................................................95.4.2内部功能要求.....................................................................................95.4.3基于IMS网络提供业务的功能要求................................................125.4.4其他功能要求...................................................................................125.5系统功能要求...................................................................................135.5.1IP地址获取.......................................................................................135.5.2语音编解码要求...............................................................................135.5.3视频编解码要求...............................................................................135.5.4静音检测及回声抑制.......................................................................135.5.5号码分析与处理功能.......................................................................135.5.6紧急呼叫功能...................................................................................135.5.7二次拨号功能...................................................................................135.5.8号码变换功能...................................................................................145.5.9用户权限控制功能...........................................................................145.5.10黑白名单....................................................................................145.5.11放音功能....................................................................................145.5.12计费管理功能............................................................................145.5.13QoS功能...........................................................................................155.5.14拨号方案和编号方案设置功能................................................155.5.15断电直通保护功能（可选）....................................................155.5.16虚拟集团功能（可选）............................................................156TR069管理接口要求......................................................................................166.1初始流程...........................................................................................1...
