Järjestelmä ryhmäviestin lähettämiseksi

The invention relates to a system for sending group messages in a network infrastructure (10). The parties to the system are the sender, who has means for sending group messages, and several recipients (16.1,16.21,16.22,16.3), each of whom has a terminal (16.1',16.21',16.22',16.3'). In the network infrastructure (10) are the stages the recipient (16.1) sets their terminal (16.1') to listen to the group they select and an identifier corresponding to the group, the terminal (16.1') of the recipient (16.1) receives the said identifier and sets itself into a state corresponding to the transmission information defined in the identifier, the sender sends a group message using the settings stated in the identifier, the terminal (16.1') of the recipient (16.1) receives and announces the arrival of the group message.