Communication control apparatus and method

Among those who are to communicate in a remote location can be easily connected to each other each of the communication device. For example, a user A of the IP telephone terminal a1 may wish to send a still image to a user B are talking on IP telephone terminal b1. In that case, the communication device of the user B can receive still images, such as FAX FAX number, IP telephone terminal a1 is obtained from the IP telephone terminal b1. IP telephone terminal a1, for example the FAX-a2 connected with home LAN, and transmits the acquired FAX number. FAX-a2 which has received this, a call to the FAX number received. That, IP telephone terminal a1 equipped with the communication control device acquires the communication addresses needed for the third communication function during a call, notifies the communication device a2 this by the second communication function.