Further industrial action had been planned for the coming weeks.
Unions representing ambulance workers say they are prepared to strike again if today's mediation talks don't produce a sufficient outcome.
Officials from SIPTU and UNITE will attend discussions with the HSE at the Labour Court from 10 o'clock this morning.
Members of the National Ambulance Service engaged in a work to rule on Monday and a full work stoppage on Tuesday in a row over pay.
Further industrial action had also been planned for May 16th, May 23rd, as well as dates in June.

Oireachtas Media Committee Chair Describes RTÉ's Appearance As "Farcical"
Robert O’Connor Found Guilty Of Manslaughter Of Parents And Brother In Co Louth
Parts Of Dublin Centre To Be Closed Off Next Week For EU Presidency Events
Charging EVs At ESB Chargers Now More Costly Than Fuel Cars
Minister Lawless Launches Expression Of Interest For Delivery Of New Third Level Accommodations
Dublin Flight Among Several Affected By Bomb Threats
Minister Heydon Launches New Animal Welfare Strategy
High Court Rules New Criminal Legal Aid Scheme As "Grossly Unfair" And "Illogical"