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.