| 1. | Voice - grade service voice channel 话音级服务音频通道 |
| 2. | Forward voice channel fvc 前向话音信道 |
| 3. | Forward voice channel fv 前向话音信道 |
| 4. | Reverse voice channel rv 反向话音通道 |
| 5. | Analog voice channel 模拟话音信道 |
| 6. | Voice channel loss 话路损耗 |
| 7. | Voice channel fax 话路传真 |
| 8. | 4 . totally 6 channels , includes the original voice channel . 5 . digital display of the channels 7 .用于参会代表选择收听经译员机翻译后的发言者的译音 |
| 9. | General test method for transmission performance of pcm voice channel in telecommunication network 电信网中脉冲编码调制音频通路传输特性常用测试方法 |
| 10. | Early signaling systems used in - band signaling where a portion of the voice channel was allocated for signaling 早期的信令系统使用的是带内信令,即将语音信道的一部分划分出来供信令使用。 |