Provided is a communication connection device that, if receiving an incoming call in which a representative telephone number that represents a group of mobile telephones is dialed, ensures that one of users of the mobile telephones answers the incoming call for sure. The communication connection device (i) establishes communication between a call originator and a mobile telephone when receiving a signal from the call originator, (ii) reads first information pieces from a storage device when receiving the signal that contains second information each first information piece being identification information that identifies a different one of a plurality of mobile telephones, the second information being identification information that collectively identifies the mobile telephones as a group, and the storage device having pre-stored therein, in correspondence, the first information pieces and the second information, and (iii) in a predetermined order, calls the mobile telephones identified by the read first information pieces.