| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable notification of a logic number to the receiving side after a logic/physical number conversion, which can be achieved in the traditional line switching telephone network, even in IMS. <P>SOLUTION: The application server, which houses the terminal of a sender that first performs a logical/physical conversion from a logic number to a physical number, checks the header information section for storing the history of conversions of numbers contained in SIP messages obtained from a sending user's network and, if a tag indicating the number conversion is attached, deletes the tag. <P>COPYRIGHT: (C)2012,JPO&INPIT |
