Monday's onslaught enactment by ambulance unit successful the GMB national has been postponed aft an improved connection was tabled by the Welsh government.
The BBC has been told the Welsh authorities offered a one-off wage deal, arsenic good arsenic improved consolidated wage emergence for workers.
The GMB has decided to postpone concern enactment portion it considers this caller development.
It is unclear what different unions person decided to bash astatine this stage.
About a 4th of the ambulance work successful Wales, including paramedics, telephone country unit and ambulance technicians, are represented by the GMB.