Patent ID: 7881706

Claim:
A communications terminal, comprising: a playback device which playbacks content; a reading device which reads in access information recorded on a prescribed recording medium, the access information being necessary for acquiring the content which can be played back by the playback device from a prescribed server via a network; a content requesting device which requests the content corresponding to the read access information to the server; a receiving device which receives metadata together with the content from the server, the metadata containing update control information including a content ID for the requested content; a storage device which stores the received content and the metadata in a mutually associated condition; and an update control device which controls for requesting updating of the content corresponding to the content ID to the server according to the update control information, for updating the new content requested updating, and for storing the new updated content which is received from the server by the receiving device, wherein the access information includes the content ID and the update control device determines whether the content is stored in the storage device for playback by comparing the content ID of the access information with the metadata stored in the storage device, and the update control device determines that the content is not stored in the storage device if the content ID of the read access information is not included in the metadata stored in the storage device, and controls the content requesting device to request the content corresponding to the content ID of the read access information to the server if the content is not stored in the storage device.