A communication control system includes an attendance confirmation accepting unit that accepts confirmation of attendance according to an operation of an attendee to an information processing apparatus located at a conference room, a random number processor that generates a random number in case of accepting the confirmation of attendance and stores connection authentication information based on the random number in a memory, the connection authentication information being used for authenticating exchange of information with a terminal operated by the attendee at the conference, a print controller that transfers an output command for printing an image having the generated random number to an image forming apparatus, and a wireless connection controller that receives authentication information input by the terminal based on the random number via wireless communication at the conference room and authenticates the exchange of information with the terminal based on the connection authentication information stored in the memory.