Every time I make a call, I hear like a feed back tone during the call. It is loud enough that people standing close to me can hear and even the people I am talking to on the other end can hear it. That includes land lines as well as cell phone. Any sugge

[kbnorred]

Every time I make a call, I hear like a feed back tone during the call. It is loud enough that people standing close to me can hear and even the people I am talking to on the other end can hear it. That includes land lines as well as cell phone. Any suggestions?