| 摘要 |
PROBLEM TO BE SOLVED: To provide a free phone service method over the Internet, where the advertisement effect is maximized. SOLUTION: This invention relates to the free phone service method and system over the Internet, users accumulate free phone coupon points depending on the time period that they view advertisements by the preferred methods, and use a phone free of charge over the Internet by using the accumulated free phone coupon points. The system can subtracts points on the basis of a phone charge rate decided for the use of the phone from the coupon points, so that the advertisement effect can be enhanced. |
