| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for facilitating a user operation during multi-telephone call more while referring to a history of origination/reception of a communication device during using a multi-telephone call function.SOLUTION: The communication device corresponds to a multi-telephone call function. The communication device holds identification information of a participant shown in a participant list of multi-telephone calls in a memory at timing during an acquisition operation by a user or the like during a multi-telephone call. The communication device extracts identification information of a participant candidate to be a candidate to be added to the multi-telephone call by a set calculation or the like on the basis of the identification information of a participant of each multi-telephone call held as a history at least at any timing at the start of or during a multi-telephone call. The communication device displays whether to add the extracted participant candidate to the multi-telephone calls in an addition confirmation display part 190, and calls a communication device of the participant candidate to a multi-telephone call by receiving an adding operation from the user.SELECTED DRAWING: Figure 6 |
