| 缩写 | 全称 | 中文释义 |
|---|---|---|
| RDT | Recall Dial Tone | 调用拨号音 |
| DSCP | Differentiated Services Control Point | 差异化服务控制点 |
| RXJ | Receive-Protocol Reject | 接收协议拒绝 |
| FCA | Fixed Channel Assignment | 固定信道分配 |
| TMRS | Traffic Measurement and Recording System | 交通测量记录系统 |
| VMY | Voice Mobility | 话音移动性 |
| DB | Dropped Burst | 下降脉冲串 |
| IPLC | International Private Leased Circuit | 中国联通国际专线业务 |
| NTS | Number Translation Service | 号码转换服务 |
| FGA | Feature Group A | 特征群A |