| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To interpret an error notification from a global network even in a terminal or server which does not correspond to a call control protocol when any error is generated in a global network which corresponds to the call control protocol. <P>SOLUTION: This relay communication device is configured to connect a global network which corresponds to a call control protocol with a private network including a terminal or server which does not correspond to the call control protocol, and provided with: a session control section 503 for receiving a communication request from the terminal or server and establishing a call in a global network; and an error responding section 506 for receiving the error notification based on the call control protocol from the global network, converting it into another error notification based on a communication protocol which can be interpreted by the terminal or server, and then transmitting it to the terminal or server. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
