Patent ID: 7092704

Claim:
A portable telephone system, comprising: at least one first portable telephone terminal containing executing means for executing a service, creating means for creating a password to allow other terminals to request execution of the service to be carried out by said executing means and transmission means for transmitting the password created by said creating means; at least one second portable telephone terminal containing reception means for receiving the password transmitted from said first portable telephone terminal, a password memory for storing the password received by said reception means, and control means for requesting said executing means of said first portable telephone terminal to execute the service by using the password stored in said password memory; and at least one server containing a data base for registering the password created by said first portable telephone terminal, collating means for collating the password registered in said data base with the password used by said second portable telephone terminal when said second portable telephone terminal makes a service executing request to said first portable telephone terminal, and command means for commanding said first portable telephone terminal to carry out the execution of the service when it is judged in said collating means that both the passwords are coincident with each other.