PROBLEM TO BE SOLVED: To improve guidance between hierarchy menu levels and to improve the use operability of a user by adjusting an instruction display order, based on the instruction selection pattern of a call arrived in an interactive sound response system and giving order of direction to the user. ;SOLUTION: When remote users of telephone systems 112a-112c send messages, a sound recognition unit 105 of a message server 103 detects a subject, where the message is used for classification and storage in an appropriate folder. When the user calls a system, CPV: 102 accesses to a storage unit 104 and a sound emitting unit 106 and makes a response to the user by sound. The direction is given to the user at respective hierarchy direction levels. The user inputs data in accordance with the direction. When the action of a next stage is executed, the user is sequentially guided to a next stage function or level. When the direction for termination is given, the user depresses a prescribed key and returns the system. When the user inputs data in accordance with the message of the respective hierarchy direction levels, he can reach the desired function.;COPYRIGHT: (C)2000,JPO
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