A communication method for transferring communication data between a plurality of participants is provided. The participants include at least one active participant that generates the communication data and at least one passive participant that does not generate the communication data. The communication method includes receiving, by a primary server, the communication data generated by the active participant and transmitting, by the primary server, the communication data received from the active participant to at least one secondary server that does not receive any communication data from any of the active participant and the at least one passive participant. The secondary server receives the communication data transmitted from the primary server and transmits the received communication data to the passive participant.