电信常用缩略语-3
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