| 缩写 | 全称 | 中文释义 |
|---|---|---|
| SGCP | Simple Gateway Control Protocol | 简单网关控制协议 |
| MIN | Mobile Identification Number | 手机识别号 |
| MPOP | Minimum Point Of Presence | 最小存在点 |
| CGA | Carrier Group Alarm | 载波群告警 |
| DDD | Direct Distance Dialing | 直拨 |
| XA-FR | Exchange Access Frame Relay | 交换接入帧中继 |
| dBRNC | deciBel Relative to Noise in a Circuit | 电路中噪声的分贝 |
| SPE | Synchronous Payload Envelope | 同步净负荷包封 |
| LET | Line Equipment Transfer | 线路设备转移 |
| CRV | Call Reference Value | 调用参考值 |