| 摘要 |
An exchange apparatus includes an acquisition circuit to acquire transmission-source identification information included in the header areas and transmission-source ID included in the data areas of the communication packets received from each of a plurality of communication terminals to be connection objects when communication terminals are connected with one another, a detector which detects that conversion of the transmission-source ID is made by comparing the transmission-source ID included in the header areas to the transmission-source ID included in the data areas, and a notification circuit to notify the transmission-source ID included in the header areas, as addresses for telephone conversations, to a plurality of communication terminals to be connection objects, when the detector detected that the conversion of the transmission-source ID is made.
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