Information service system, information service method, and information service program

An information service method that provides a telephone information service to a service user through a telephone connected to a public line, comprising:

• an interactive step that provides information or executes processing according to an interactive script in response to a request that has been made by the service user through voice or push button operation;
• an interactive log management step that manages an interactive log exchanged in the information provision or processing execution;
• and
• a call charge burden ratio calculation step that calculates the ratio of the burden of call charges associated with the telephone information service between an information service provider and service user based on the interactive log managed by the interactive log management step and call charges information associated with the request of the information provision or processing execution.

A computer readable medium allowing a computer to execute an information service that provides a telephone information service to a service user through a telephone connected to a public line, the program allowing the computer to execute:

• an interactive step that provides information or executes processing according to an interactive script in response to a request that has been made by the service user through voice or push button operation;
• an interactive log management step that manages an interactive log exchanged in the information provision or processing execution;
• and
• a call charge burden ratio calculation step that calculates the ratio of the burden of call charges associated with the telephone information service between an information service provider and service user based on the interactive log managed by the interactive log management step and call charges information associated with the request of the information provision or processing execution.