| 摘要 |
<p>A portable cellular phone terminal device (100) having a communication function for communicating via a network through a use of portable cellular phone services provided by a portable cellular phone service provider and an accessory function in addition to the communication function, the portable cellular phone terminal device (100) including: a restriction information storage section (122) for storing the accessory function and presence/absence information concerning whether utilization of the accessory function by the device itself is restricted; a receiving section (102) for receiving, via the network from an information transmitting center (200) managed by the portable cellular phone service provider, restriction-lifting information for informing the device itself of a lifting of restrictions on utilizing the accessory function, based on results of the use of the portable cellular phone services; a control section (108) for restricting utilization of the accessory function based on the presence/absence information read from the restriction information storage section (122), in a case that the communication function cannot be utilized; and a restriction information writing section (128) for updating the presence/absence information stored in the restriction information storage section (122), when the receiving section (102) has received the restriction-lifting information, or when the control section (108) has restricted utilization of the accessory function.</p> |
