ATM高速多业务数据网
high speed widearea multiservice ATM network
GSM数据业务
Dispose Fault in Distribution network
MAC业务数据单元
MAC Service Data Unit MSDU
传送业务数据单元
TSDU Transport Service Data Unit
电缆数据业务接口规范
DMTdata over cable service interface specification
DMACdata over cable service interface specification
distribution databasedata over cable service interface specification
电信业务数据分析
Telecommunication service data analysis
多路的TCP数据业务
muhichannel wireless TCP data service
非结构化补充数据业务
unstructured supplementary service Data USSD
非结构化补充业务数据
unstructured supplementary service data
非时实数据业务
non-real time data application
分组业务数据信道
Packet Data Traffic Channel PDTCH
高速电路交换数据业务
high speed circuit switched data