Spy phones introduce the Interceptor Siemens SL-65 which is one of the high-tech spy phone. Neither Spy phone user nor a technician of any skill can find out its identity. It has the same function as any other normal phone as found in every shop. Siemens allocate a special number for someone to call in, it will automatically answers without letting the owner being aware that you are connected to their phone. The scary part is it allows you listen discreetly to what is going on up to 5 meters away from the phone. If the user calling or receiving a phone call with the phone, you will be notified by a SMS message and you can call to the phone and listen to the conversation. It has a special function programming instructions. I think I should get one for my wife. It's not cheap, the price will burn a hole in your pocket with €1,699.00.