A method for organizing random access (RA) resources, comprising: forming a device group including a plurality of group members and at least one group representative; providing the at least one group representative with priority access to RA resources; sending, by the at least one group representative, a primary event message to a central unit in said RA resources; and sending, by the central unit, a response message, responsive to the primary event message, to the group members for managing access of the group members to the RA resources.