Group call/broadcast participation request signaling method for mobile network, involves assigning data elements referencing group call/broadcast and signaling request to calling participant in message generated by called participant

摘要

The method involves transmitting an individual connection establishment message (6) from a mobile radio-end device of a calling participant to another end-device of a called participant over a mobile radio network. The message is acknowledged from the end device of the called participant to the end device of called participant by another individual connection establishment message (7). A data element for clearly referencing an existing group call or broadcast and another data element for signaling the request to the calling participant is assigned in the message (6).