| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of making information for use in call control redundant and a call control system that facilitate efficient and quick system switchover in a redundant call control system. <P>SOLUTION: An active call control server 61 transfers, to a standby call control server 62 at a predetermined timing, data about changes of information on ongoing call processing at the active call control server. The standby call control server 62 updates information on ongoing call processing stored in a synchronized area storage 624 in the standby call control server with the data about changes of information on ongoing call processing transferred by the active call control server 61. When a processing data storage 622 of the standby call control server 62 detects that the information stored in the synchronized area storage 624 is updated, the standby call control server retrieves the updated information and loads it into an area in the processing data storage 622 in the standby call control server for use in call processing in the case of activation of the standby call control server. <P>COPYRIGHT: (C)2013,JPO&INPIT |
