| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a call connection function aggregating method capable of easily performing aggregation work of call connection functions of a gateway controller even when a VoIP telephone system includes many gateways. <P>SOLUTION: While all gateways under the control of a gateway controller to be aggregated set an IP address of a gateway controller of an aggregation destination as a call connection request destination address, a call relay device relays a call connection request from a corresponding gateway to the gateway controller of the aggregation destination. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
