With the popularization of cars, there is a great demand for car telephones. But most mobile telephones don't have the function of off-hook, so it's very meaningful to develop a kind of car telephone.
当今随着汽车的日益普及，人们在驾驶中使用手机免提的需求也日益增强，但是绝大多数手机并不具备免提功能，因此开发一套车载手机免提系统非常有意义。
When either telephone handset is taken off-hook, the remote telephone automatically rings.
当任意一端电话话筒被拿起时，远处的电话就会自动响起。
When either telephone handset is taken off-hook, the remote telephone automatically rings.
当任意一端电话话筒被拿起时，远处的电话就会自动响起。
应用推荐