| 摘要 |
<P>PROBLEM TO BE SOLVED: To configure a system which does not require a user to input the IP address of an SIP server to an IP phone. Ž<P>SOLUTION: An IP phone 100 broadcasts an IP address inquiry command toward a network 10. A control server 14 is storing the IP address of an SIP server 20. Upon receiving the IP address inquiry command, the control server 14 transmits the IP address of the SIP server 20 to the IP phone 100. Consequently, the IP phone 100 can acquire the IP address of the SIP server 20. The IP phone 100 transmits an REGISTER command including the combination information of its SIPURI and IP address to a destination having the IP address of the SIP server 20. Consequently, the SIP server 20 can register the IP phone 100. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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