This is call forwarding and cannot mean your phone has been tapped. There are ways to detect if your phone has been tapped and call forwarding can’t be part. We can discuss that later. Call forwarding is a phone management feature that helps you redirect or forward incoming calls to an alternate number. It can be conditional depending on the Telco you are on. That is: * Busy (you are on a call) * Unanswered (you are not able to pick up) * Unreachable (you have lost connectivity or your phone is