Pieces of the emergency call in connection with Demi Lovato and released. So to hear that the person who phoned from the house of the singer, said to be the sirens of the ambulance not to use it. It is not clear whether this has been successful. The employee of 911 gave to this not to regulate. The conversation keeps on at the time that the ambulance has arrived at the home of Demi. Previously reported TMZ that the friends of the singer are not experienced with the ambulance staff. So they would not have wanted to say which drugs Demi had taken.