Communication system, mobile unit database server, mobile radio router, charging method, and vehicle mounted router and agent server therewith

摘要

A mobile unit database server and a mobile radio router are provided to enable to process data as well as a plurality of communication terminals in one grouping without using telephone lines. The mobile unit database server is used in a communication system having at least one radio server connected to a network, and a radio base station communicating using radio signals with the mobile radio router connected to the radio server and to more than one terminal. The mobile unit database server is provided with: a mobile unit information database storing mobile unit information that associates identifiers and/or FQDNs and/or mobile FQDN of said mobile radio router with the identifiers and/or FQDN and/or IP address of the terminal connected to the mobile radio router, and are stored as mobile unit information; and mobile unit managing devices for renewing mobile unit information in response to a request to register mobile unit information sent from the radio server.