| 摘要 |
PROBLEM TO BE SOLVED: To provide a display information switching device, switching system, method and program for selectively displaying any information among a plurality of information in accordance with a situation of a called side in the case of receiving an incoming call.SOLUTION: When a telephone book is retrieved with a calling source number as a retrieval key to find that information associated with the same telephone number as the calling source number is displayed, information corresponding to the calling source telephone number can be displayed on the called side by allowing a display information switching device to make contents of information to be displayed different according to a situation even if it is the same calling source telephone number.SELECTED DRAWING: Figure 1 |
