A billing system comprising: a radio communication terminal configured to be able to perform direct communication with another radio communication terminal without involving a radio access network; and a billing apparatus configured to manage billing for the direct communication, wherein the radio communication terminal includes a billing-related information transmission unit configured to send the billing apparatus billing-related information to be used to bill for the direct communication, and a broadcast information reception unit configured to receive broadcast information broadcasted by a radio base station indicating whether or not direct communication is permitted to be performed between the radio communication terminal and the other radio communication terminal , and broadcast information containing configuration information necessary for the direct communication; and the billing apparatus includes a billing-related information acquisition unit configured to acquire the billing-related information from the radio communication terminal, and a billing information generation unit configured to generate billing information on the direct communication, based on the billing-related information acquired by the billing-related information acquisition unit, wherein the billing-related information contains information on the communication type of the direct communication. a radio communication terminal configured to be able to perform direct communication with another radio communication terminal without involving a radio access network; and a billing apparatus configured to manage billing for the direct communication, wherein the radio communication terminal includes a billing-related information transmission unit configured to send the billing apparatus billing-related information to be used to bill for the direct communication, and a broadcast information reception unit configured to receive broadcast information broadcasted by a radio base station indicating whether or not direct communication is permitted to be performed between the radio communication terminal and the other radio communication terminal , and broadcast information containing configuration information necessary for the direct communication; and a billing-related information transmission unit configured to send the billing apparatus billing-related information to be used to bill for the direct communication, and a broadcast information reception unit configured to receive broadcast information broadcasted by a radio base station indicating whether or not direct communication is permitted to be performed between the radio communication terminal and the other radio communication terminal , and broadcast information containing configuration information necessary for the direct communication; and the billing apparatus includes a billing-related information acquisition unit configured to acquire the billing-related information from the radio communication terminal, and a billing information generation unit configured to generate billing information on the direct communication, based on the billing-related information acquired by the billing-related information acquisition unit, a billing-related information acquisition unit configured to acquire the billing-related information from the radio communication terminal, and a billing information generation unit configured to generate billing information on the direct communication, based on the billing-related information acquired by the billing-related information acquisition unit, wherein the billing-related information contains information on the communication type of the direct communication. <EOS>