电信常用缩略语-3(在线收听

  HBA Hardware failure oriented group Blocking-Acknowledgement message 面向硬件故障的群闭塞证实消息

  HGB Hardware failure oriented Group Blocking message 面向硬件故障的群闭塞消息

  HGU Hardware failure oriented Group Unblocking message 面向硬件故障的群解除闭塞消息

  HLR Home Location Register 归属位置寄存器

  HUA Hardware failure oriented group Unblocking-Acknowledgement message 面向硬件故障的群解除闭塞证实消息

  HW High Way 高速信号线

  IEC International Electrotechnical Commission 国际电工委员会

  IMSI International Mobile Subscriber Identity 国际移动用户标识

  IP Internet Protocol 网际协议

  IP Intelligent Peripherals 智能外设

  ISUP ISDN User Part ISDN用户部分

  ITU-T ITU Telecommunication Standardization Sector 国际电信联盟-电信标准部

  LAN Local Area Network 局域网

  LAN Switch Local Area Network Switch 以太网交换机

  LSSU Link Status Signal Unit 链路状态信令单元

  MAP Mobile Application Part 移动应用部分

  MBA Maintenance oriented group Blocking-Acknowledgement message 面向维护的群闭塞证实消息

  MGB Maintenance oriented Group Blocking message 面向维护的群闭塞消息

  MGU Maintenance oriented Group Unblocking message 面向维护的群解除闭塞消息

  MSC Mobile Switching Centre 移动交换中心

  MSU Message Signal Unit 消息信令单元

  MTP Message Transfer Part 消息传递部分

  MTBF Mean Time Between Failure 平均故障间隔时间

  MTTR Mean Time To Repair 平均修复时间

  MUA Maintenance oriented group Unblocking-Acknowledgement message 面向维护的群解除闭塞证实消息

  NEBS Network Equipment Building System 网络设备制造系统

  OAM Operations, Administration and Maintenance 操作、管理与维护

  OMAP Operation and Maintenance Application Part 操作维护应用部分

  OPC Origination Point Code 源信令点编码

  PPS PrePaid Service 预付费业务

  PSTN Public Switched Telephone Network 公用电话交换网

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