CALL CONTROL SYSTEM AND CALL CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To prevent an increase of loads in an SIP server and to provide various transfer system services. SOLUTION: An application server 30 determines a connection destination of a call setting signal routed from a first SIP server 20a and the first SIP server 20a routes the call setting signal to the determined connection destination. COPYRIGHT: (C)2009,JPO&INPIT