We provide a software download for people to install on their own cell phone - NOT the target phone. Once done, all they need to do is call the Target Phone and talk to them or voice mail for 30 seconds. This will "pair" both phones. (This is done once.) Our product works in any country on any cell system. Their phone will buzz when the target phone places or receives calls. You hear both sides of their conversation but they can't hear you. Spy on multiple cell phones and even know their location! You can turn on their cell microphone and use it as a bug to hear surrounding conversations even if the person is not on the phone. Great for corporate espionage. There is no trace or logging of your mobile phone's details on the target phone. That means your target will NEVER know! You ca