Patent ID: 7817993

Claim:
A system for copying a substituted ring back tone (RBT) between subscribers of different communication providers, the system comprising: a content database maintaining identification information of a second substituted RBT; a request receiving unit receiving a request for copying a substituted RBT of a subscriber of a first communication provider, from a subscriber of a second communication provider; a call setup request unit requesting a first mobile terminal of the subscriber of the first communication provider to set up a call in correspondence to the request for copying of the substituted RBT; a substituted RBT analysis unit analyzing a first substituted RBT provided from the first communication provider and recognizing a sound source of the first substituted RBT to analyze first characteristic data of the first substituted RBT, in the case of requesting the first mobile terminal to set up a call; a substituted RBT extraction unit extracting the identification information of the second substituted RBT corresponding to the first characteristic data by referring to the content database; and a substituted RBT setup unit setting up a second substituted RBT corresponding to the identification information extracted from the substituted RBT extraction unit, as a substituted RBT for a second mobile terminal of the subscriber of the second communication provider; said content database further records second characteristic data corresponding to the identification information of the second substituted RBT, and said substituted RBT extraction unit searches the content database for the second characteristic data corresponding to the first characteristic data which is analyzed by the substituted RBT analysis unit, and extracts predetermined identification information or the second substituted RBT corresponding to the second characteristic data.