Speaking from Islamabad, Qalibaf said Tehran had goodwill towards negotiations but no trust in the United States, adding that Iran was ready to reach a deal if Washington offered what he described as a genuine agreement and granted Iran its rights, Iranian state media reported.

The fragile truce hangs in the balance, as Netanyahu says Israel wants direct talks with Lebanon and oil shipping remains stalled in the Strait of Hormuz. Follow for live news updates.

Iran will enter peace talks with the United States emboldened by the regime's survival and the key leverage it still holds, experts say, even as Israeli strikes on Lebanon threaten to derail the process and the heavy cost of five weeks of war pile up.

Israel and Lebanon are due to talk on Tuesday in Washington, with discussions mediated by the US, according to the Lebanese president's office.

Negotiators from Iran and the U.S. are preparing for high-level talks amid a shaky ceasefire. Israel and Hezbollah have continued to exchange fire, and Tehran maintains control over the Strait of Hormuz.