Radio communication system, and gateways, radio intelligent terminals and radio communication methods applied thereto

摘要

The present invention is applied to the case that in a communication system establishing the communication between a radio intelligent terminal and a server via gateway, it is necessary to exchange from a gateway to be used originally to other gateway because of any reason. First, it is arranged in this invention that at receiving a gateway exchange instruction an information notifying means may notify a radio intelligent terminal of the generation of gateway exchange. In case of notifying only the gateway exchange, the above information in addition to the exchange notice can contains information necessary for the communication between the radio intelligent terminal and the server via exchange-destination gateway, for example, the exchange-destination gateway address.