| 缩写 | 全称 | 中文释义 |
|---|---|---|
| SMDS | Satellite Multimedia Delivery System | 卫星多媒体传输系统 |
| ARP | Access Responsible Party | 访问负责方 |
| PC | Personal Communications | 个人通信 |
| BTS | Best Transmission Second | 最佳传输秒 |
| SCO | Synchronous Connection Oriented | 面向同步连接 |
| OLEC | Other Local Exchange Carrier | 其他本地交换运营商 |
| SHD | Smart Handheld Device | 智能手持设备 |
| FACS | Facility Assignment and Control System | 设施分配和控制系统 |
| IPT | Internet Protocol Telephony | Internet协议电话 |
| TUMS | Telephone and Utilities Maintenance System | 电话和公用设施维护系统 |