A light or other indicator on a wireless phone (also called a "call-in-absence" indicator) that notifies a user that a call has come in. A useful feature especially if the wireless subscriber has voice mail.
                                                            
                                                     
                        
                                                
                        
                        
                            an indicator that notifies a user of missed voice mail or calls.
                                                            
                                                     
                        
                                                
                        
                        
                            indicator that announces you have a phone message.