| 缩写 | 全称 | 中文释义 |
|---|---|---|
| ADF | Application Dedicated File | 应用程序专用文件 |
| PDD | Post Dial Delay | 拨号后延迟 |
| LFACS | Loop Facility Assignment and Control System | 回路设备分配和控制系统 |
| 4WE&M | Four-Wire Ear and Mouth | 四线耳口 |
| ESSID | Extended Service Set Identification | 扩展服务集标识 |
| RLF | Remote Line Failure | 远程线路故障 |
| BOT | Baseline Of Text | 文本基线 |
| MCC | Mobile Country Code | 移动国家代码 |
| RLC | Radio Link Control | 无线电链路控制 |
| ISC | Infrastructure Service Charge | 基础设施服务费 |