切换静音模式 将通话转移至另一方 切换免提模式 重播号码 调节手柄,耳麦,免提和铃声的音量 提供数字,大小写字母和其它特殊字符的输入 提供了免提时音频的输出 确保话机挂墙式安装时,手柄能放在手柄架上.想要了 解更多关于挂墙式安装的信息,请参阅文档 Y...
We are always ready for the industry guests to visit and guide, we will do our best to create a win-win situation. Our services 1. Site selection of standardization chicken farm. 2. chicken house design.3. Construction guidance.4. Breeding worker training...