缩写	全称	中文释义
RTPB	Residential consumer Third Party Billing	住宅消费第三方账单
IMM	Interactive Mobile Media	交互式移动媒体
PAMD	Positive Answering Machine Detection	正面应答机检测
iPCU	iPhone Configuration Utility	iPhone配置工具
OLTS	Optical Loss Test Set	光损耗测试仪
QOB	Quality Of Burst	爆破质量
WAL	WATS (Wide Area Telecommunications Service) Access Line	广域电信业务接入线
MSS	Modular Sample System	模块化采样系统
DSX-2	Digital Stream Crossconnect 2 (6.312 Mbps)	数字流交叉连接2（6.312 Mbps）
PIXIT	Protocol Implementation eXtra Information for Testing	协议实现测试的额外信息