Communication method and communication system

摘要

A communication method and a communication system can ensure security of communication between a portable type information terminal and a server storing demanded contents. The communication method performs transmission of an encrypted data with a predetermined protocol realizing process for ensuring security in communication on a telephone network between a portable type information terminal having a function obtaining a content on a network and displaying the content and a gateway connected with the portable type information terminal through the telephone network and performs tunneling process for the encrypted data between the gateway and a server storing the content on the network.