| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a service quality experience / evaluation apparatus whereby a user terminal installed at a remote place can experience and evaluate deterioration in service quality of an interactive network application. <P>SOLUTION: A setting value revision means 16 can revise the setting of a quality deterioration simulating circuit 15 while keeping a conversation state between user terminals 1, 2 installed at a remote place so as to attain quality experience / evaluation by remote access by inserting line hold circuits 13, 14 for storing a connection state to the user terminals 1, 2 between network connection terminals 11, 12 and the quality deterioration simulating circuit 15 for simulating deterioration in the service quality independently of the state of the quality deterioration simulating circuit 15. <P>COPYRIGHT: (C)2004,JPO</p> |
