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.

Jeffrey Donaldson To Appeal Conviction For Rape And Sexual Offences
Man Charged Over Grace Lynch's Death Charged With Further Offences
€3M Of Herbal Cannabis Seized At Dublin Airport
Ambulance Dispute Resolved As Union Members Vote For Labour Court Proposals
Oscar-Winning Irish Actress Brenda Fricker Has Died Aged 81
Athy's Adrian Kane Appointed SIPTU Deputy General Secretary
Andy Burnham Sworn In As British Labour Leader
€800M Cost Revealed As Over 6,300 People On Dole For More Than A Decade