缩写	全称	中文释义
TSSI	Telecom Switched Services Interoperability	电信交换业务互操作性
DLI	Dialed Line Identification	拨号线路标识
UNP	UN-Published	联合国出版
OC	Operator Cutoff	算子截止
CCTA	Cctacentral Computer And Telecommunications Agency	中央计算机通信局
MSL	Master Subsidy Lock	主补贴锁
DECT	Digitally Enhanced Cordless Telecommunications	数字增强无绳通信
WMA	Wireless Messaging API (Application Programming Interface)	无线消息API（应用程序编程接口）
MFT	Metallic Facilities Terminal	金属设施终端
EDD	Envelope Delay Distortion	包络延迟失真