| 摘要 |
Provided is an information processor that receives a request for initiating a call between a phone on the calling side and a phone on the called side and performs call transmission with respect to the phone on the calling side and the phone on the called side, the information processor including: a registration unit that registers a list of a plurality of IP address conversion servers performing IP address conversion needed for a call between the phone on the calling side and the phone on the called side; a selection unit that selects, on the basis of the location of the phone on the calling side or the phone on the called side, the IP address conversion server to be used from the list that is registered in the registration unit; and a call execution unit that executes, using the selected IP address conversion server, a call while performing IP address conversion for voice packets exchanged between the phone on the calling side and the phone on the called side.
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