But Salehi, the head of Iran's Atomic Energy Organization, told reporters in Brussels: "If words are not turned into deeds, then ... it is very ominous, the situation would be unpredictable."
The report said a Jordanian mediator carried messages between the sides.
Une famille israélienne pourrait faire annuler l’accord sur le nucléaire iranien
German report says: Iran spreading atomic, biological or chemical weapons of mass destruction.
A Reuters report on Friday said Iran has suggested to six world powers that it may be open to talks about its ballistic missile arsenal.
In no way does it violate 2015 accord, AIPAC says
The violations occurred between late October 2012 and January 2016, when the Iran nuclear agreement was implemented.
Ramadan Shalah and his delegation met Supreme Leader Ayatollah Ali Khamenei on Sunday, and have met other Iranian leaders during their current visit.
The United States has only lifted Iranian sanctions on paper, Iran's supreme leader charges.