Methods, devices, and systems can include, for example, receiving an incoming call and identification information and determining whether the identification information indicates that the incoming call is legitimate. The identification information is associated with the incoming call. The incoming call is received at a call control unit. The call control unit is associated with a telephone, and the incoming call is directed to the telephone. In response to a determination that the identification information indicates that the incoming call is legitimate, generating an indication that the incoming call is legitimate (where the indication is generated by the call control unit) and communicating the indication that the incoming call is legitimate to the telephone. In response to a determination that the identification information indicates that the incoming call is not legitimate, determining a telephone number of the incoming call and communicating the telephone number and the identification information to a server.