Patent ID: 7653417
Filing Date: 2010-01-26
Classification: H04M

Abstract:
1. A mobile unit comprising: called party number storing means for storing a called party number; calling party number acquiring means for acquiring a calling party number corresponding to an incoming call; ringing time measuring means for measuring a ringing time of the incoming call; number checking means for checking a calling party number acquired by the calling party number acquiring means and a called party number stored in the called party number storing means; and storage restricting means for storing a called party number corresponding to the incoming call in a calling party number storing means when a calling party number acquired by the calling party number acquiring a means corresponds to a called party number stored in the called party number storing means as a result of checking by the number checking means, for storing a calling party number corresponding to the incoming call in calling party number storing means when a calling party number acquired by the calling party number acquiring means does not correspond to a called party number stored in the called party number storing means as a result of checking by the number checking means and the ringing time measured by the ringing time measuring means is longer than a predetermined time as a result of checking by the number checking means, and for avoiding storing the calling party number corresponding to the incoming call in the calling party number storing means when a calling party number acquired by the calling party number acquiring means does not correspond to a called party number stored in the called party number storing means as a result of checking by the number checking means and the ringing time measured by the ringing time measuring means is not longer than the predetermined time.