美毅HW2818(13)P/T无绳电话因其体积小、手感好、颜色多、价格低而深受消费者的欢迎。但该机美中不足的是在来电呼叫手机时,主机同时发出刺耳的叫声,令人实在难以忍受。经分析,该无绳电话属于单机,主机不能拨号,只能呼叫手机并与手机对讲,而手机则不能呼叫主机与之对讲。因此,主机就没有必要发出振铃声(尖叫声)。因此,改进的办法就是把主机的振铃信号断路,使其不能发出尖叫声,但又不影响主、手机呼叫对讲和手 Mei Yi HW2818 (13) P / T cordless phones because of its small size, feel good, color, low price and welcomed by consumers. However, the beauty of the aircraft is that the phone calls at the call, the host also issued a harsh cry, it is unbearable. After analysis, the cordless phone belongs to a single machine, the host can not dial, can only call the phone and intercom with the phone, and the phone can not call the host intercom. Therefore, there is no need for the host to ring the bell (squeaking). Therefore, the improved method is to open the host’s ring signal, so that it can not make a scream, but does not affect the main, mobile phone intercom and hand