And the VTech's primary function — extending the cellphone throughout a house to make it more convenient to answer — worked well, ringing much louder than my cellphone.
VTech的主要功能是在家里转接手机来电，方便手机用户，测试下来的效果很好，比我的手机铃声响亮多了。
The utility model has the advantage of the ringing anti-overflow function.
本实用新型具有自鸣防溢功能的优点。
The utility model has the advantage of the ringing anti-overflow function.
本实用新型具有自鸣防溢功能的优点。
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