Advertisement method using ring tone providing service and advertisement system thereof, and computer- readable media for recording advertisement method program

A storage medium encoded with a machine-readable computer program for implementing an advertisement method using a ring tone providing service, the method comprising the steps of:

• embedding a Digital Rights Management (DRM) code into advertisement contents;
• acquiring DRM information of the advertisement contents via the DRM code embedded in the advertisement contents when the advertisement contents associated with at least one ring tone are played in a user terminal;
• and
• charging an account associated with the advertisement contents based, at least in part, upon the acquired DRM information.

An advertisement system using a ring tone providing service, the system comprising:

• a DRM server configured to be interoperated with a ring tone providing server and an advertisement content providing server,
• wherein the DRM server comprises:
• a DRM code embedding component configured to embed a DRM code into advertisement contents;
• a DRM information acquisition component configured to acquire DRM information of the advertisement contents via the DRM code embedded in the advertisement contents when the advertisement contents associated with at least one ring tone are played in a user terminal;
• and
• a content charging component configured to charge an account associated with the advertisement contents based, at least in part, upon the acquired DRM information.