| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a telephone exchange device and its control method in which connection delay can be made as little as possible even when there is an idle audio port available with an IP address used for connection. <P>SOLUTION: Audio ports which are available for a plurality of IP interfaces accommodated in each of key telephone systems 100, 200, 300, are stored and managed over the plurality of IP interfaces by an audio port status storage and management apparatus and when there is no idle audio port in a present IP interface, an idle audio port of the other IP interface is captured by referring to stored contents in the audio port status storage and management apparatus. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
