Patent ID: 6775554
Filing Date: 2004-08-10
Classification: H04M,H04W

Abstract:
A calling apparatus comprising:a master unit; and at least one sub unit linked to said master unit, wherein said at least one sub unit comprises: key operation module setting means for setting at least one telephone number of at least one caller to be saved and transferring the at least one telephone number of the at least one caller to said master unit; and dedicated telephone number memory means for storing the at least one telephone number of the at least one caller, and said master unit comprises: an interface circuit for connecting to the service network; call detecting means connected to said interface circuit for detecting a call from the service network; telephone number detecting means connected to said interface circuit for detecting a telephone number of a caller transmitted by the service network during a connection with the service network; telephone number memory means for storing data, including the at least one telephone number of the at least one caller stored in said dedicated telephone number memory means, indicating that the call is to be displayed on at least one of said master unit and said at least one sub unit depending on the telephone number of the caller; and controlling means for comparing, when said call detecting means detects the call from the service network and said telephone number detecting means detects the telephone number of the caller, the detected telephone number with the data stored in said telephone number memory means and directing the call to said at least one of said master unit and said at least one sub unit to display that the call is received from the service network.