| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a call control device and a proxy response method, which enable a subject communication terminal to further quickly proxy-respond to an incoming call from a communication terminal having a phone number under the management of a call control device different from a call control device managing the phone number of the subject terminal in a case where the phone number of the subject terminal is under the management of any of plural call control devices. <P>SOLUTION: Each SIP server (call control device) has a phone number analysis table correlating each phone number within a system with SIP servers accommodating the phone numbers. When there is a request for an inter-station pickup from a communication terminal having the phone number accommodated by the SIP server itself, the SIP server refers to the phone number analysis table to specify an SIP server accommodating the phone number in calling, and performs a relay process for the call between itself and the specified SIP server. <P>COPYRIGHT: (C)2012,JPO&INPIT |
