POSITION INFORMATION NOTIFYING METHOD AND DEVICE

摘要

Location information providing unit of gateway server 40 obtains location information on cellular telephone 10, 20 and 30 each produced in different expression format from measuring center 50, converts obtained location information into expression formats which IP server 80A and IP server 80B can deal with via location information converting device 60, and notifies converted location information to IP server 80A and 80B. As a result, IP server 80A and 80B can obtain location information on each cellular telephone 10, 20, and 30 without experiencing any difficulty.