| 摘要 |
PROBLEM TO BE SOLVED: To regulate spoofing in IP phone connection with FTTH. SOLUTION: IP phone system comprises an IP phone terminal adapter 10 which is connected to terminal1, a light device 20 which is connected to TA 10, a light parent device 30 which is connected to the light device 20 through FTTH 60, An IP phone server 40 which is connected to the light parent device 30 through IP network 70. The light device 20 preliminarily holds unique serial numbers of device. TA10 acquires serial numbers from the light device 20 when authenticating, sets the number for IP phone password, and transmits data including the password to the IP server 40 as authentication data. The IP server 40 preliminarily registers the number as IP phone password, and authenticates based on the registered password and the authentication data from TA 10. COPYRIGHT: (C)2006,JPO&NCIPI
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