This unit describes the skills required to process, transmit and receive messages via voice systems within Defence communications workplaces.This unit was developed for communications and information systems operators working within Defence but may be relevant to others who work in this field.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to.Those undertaking this unit would work independently and as part of a team, under direct and/or indirect supervision. They would perform routine tasks within specific communications environments while using discretion and judgement and taking responsibility for the quality of their outputs.No licensing, legislative or certification requirements apply to unit at the time of publication.