| 缩写 | 全称 | 中文释义 |
|---|---|---|
| CUCM | Cisco Unified Communication Manager | Cisco统一通信管理器 |
| WFOC | Wireless Full Operational Capability | 无线全操作能力 |
| GEO | Geostationary Earth Orbit | 地球静止轨道 |
| DTIS | Department Of Telecommunications Information Services | 电信信息服务部 |
| COR | Carrier Operated Relay | 载波继电器 |
| NGCC | New Generation Call Center | 新一代呼叫中心 |
| ERI | Enhanced Roaming Indicator | 增强漫游指示灯 |
| QQS | QOS (Quality Of Service) Query Service | QoS（服务质量）查询服务 |
| RRN | Routing Recording Number | 路由记录编号 |
| NPA | Numeral Prefix Allocation | 数字前缀分配 |