INFORMATION PROVIDING SYSTEM, METHOD AND PROGRAM

摘要

[PROBLEMS] To realize high quality reproduction of information on a portable telephone by suppressing deterioration in quality of information data being provided through a wireless communication network while sustaining the quality of information in the portable telephone. [MEANS FOR SOLVING PROBLEMS] In a system for providing information data to a portable telephone U1 through a wireless base station (51), the wireless base station (51) comprises a means for transmitting information data to the portable telephone U1 by codec through, and the information data is data encoded previously in compliance with the codec of the portable telephone.