BRUSSELS (AP) — The five permanent members of the U.N. Security Council and Germany, who are demanding that Iran freeze all uranium enrichment, said Tuesday they have accepted an offer to resume talks with Tehran on the nuclear issue.

Responding to a February letter from Iranian nuclear negotiator Saeed Jalili in which he proposed new discussions, EU foreign policy chief Catherine Ashton called for dialogue that would deliver “real progress.” Ashton is the contact for the group.