| 摘要 |
<p>The present invention relates to a procedure for call rerouting when a subscriber line is removed from one telephone exchange to another while retaining the same subscriber number. Moreover, the present invention relates to a system for call rerouting when a subscriber line is removed from one telephone exchange to another while retaining the same subscriber number. Thanks to the invention, the switching time of calls is shortened and calls are more effectively routed to the correct address.</p> |
