System and method of setting up a telephone conference

摘要

A conference server (KS) is used to determine the Internet address of each subscriber (TLN1,TLN2) having an Internet connection to the conference server prior to the conference, and to establish a packet-based speech connection with the subscriber using the Internet address upon initiating the conference and to establish a line-based speech connection with the remaining subscribers (TLN3). Also included are Independent claims for the following: (a) a conference server; (b) a connection node for transfer of an Internet address to a gateway; (c) a server