| 缩写 | 全称 | 中文释义 |
|---|---|---|
| MSISDN | Mobile Station International Subscriber Directory Number | 移动台国际用户号码 |
| MGW | Mobile GateWay | 移动网关 |
| CABS | Carrier Access Billing System | 运营商接入计费系统 |
| VoX | Voice eXchange | 语音交换 |
| TSA | Terminating Switched Access | 终止交换访问 |
| OOA | Out Of Area | 出区 |
| SIM | Subscriber Identity Module | 用户标识模块 |
| E911 | Enhanced 911 | 增强911 |
| FA | Failed Answer | 失败的答案 |
| TISM | Telecommunication Information Studies and Media | 电信信息研究与媒体 |