SOUND DATA DELIVERING SYSTEM, SOUND DATA DELIVERING METHOD, DELIVERING SERVER UTILIZED IN THE SOUND DATA DELIVERING SYSTEM, CLIENT-SIDE TERMINAL UTILIZED IN THE SOUND DATA DELIVERING SYSTEM, AND COMPUTER-READABLE RECORDING MEDIUM CONTAINING A PROGRAM APPLIED TO A COMPUTER UTILIZED IN THE SOUND DATA DELIVERING SYSTEM

摘要

In accordance with a request from a portabletelephone 60, a sound data delivering server 20 delivers atrial-listening music data to the portable telephonewithout charging a fee to a user of the portable telephone,or delivers a regular music data to the portable telephoneupon charging a fee to the user. The delivered trial-listening music data is actually reproduced by the portabletelephone; however, the number of reproduction times islimited, and the trial-listening music data is erased froma memory (RAM 63) of the portable telephone after thetrial-listening music data is reproduced for thepredetermined number of reproduction times. Thus, a systemis provided in which the user of the portable telephone canobtain the trial-listening music data of an incoming callmelody without being charged for the fee, and can actuallyreproduce the trial-listening music data with the use ofthe user s portable telephone.