Method and apparatus for avoiding IP-address collision when connecting an incoming voice phone call to an internet application

摘要

A method and an apparatus solve the problem of how to avoid IP-address collision when connecting an incoming voice phone call to an internet application. The problem is solved by, from time to time, for each entry in the list, sending a message to an application located on the IP-address and, depending on the answer or the lack of an answer, updating the list.