发明名称 SUBSTITUTION METHOD OF MEDIA GATEWAY CONTROLLER
摘要 <p><P>PROBLEM TO BE SOLVED: To substitute a media gateway controller (MGC) without operating any element other than an IP telephone system and without disconnecting a call connected. <P>SOLUTION: An MGC of a substitution source and other network elements are accommodated so as to configure a call control network, an MGC of a substitution destination is connected to a network device that switches packets so as to allow information to be only monitored, and the MGC of the substitution destination collects and holds information being exchanged during operation, by the MGC of the substitution source. The MGC of the substitution source and the network elements are disconnected, connection of the MGC of the substitution destination to the call control network via the network elements is then enabled, and the MGC of the substitution destination starts operating while utilizing the held information. <P>COPYRIGHT: (C)2009,JPO&INPIT</p>
申请公布号 JP2008252652(A) 申请公布日期 2008.10.16
申请号 JP20070092904 申请日期 2007.03.30
申请人 OKI ELECTRIC IND CO LTD 发明人 MURAYAMA TETSUYA
分类号 H04L12/66;H04L12/70;H04L12/713;H04M3/00 主分类号 H04L12/66
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