Iranian President Hassan Rohani and US President Barack Obama talked over phone before President Rohani's departure from New York, IRNA reported.
The two presidents talked over the phone as President Rohani was in a car and heading towards the New York International Airport.
President Rohani and President Obama discussed different issues during their phone conversation.
The Iranian and US presidents underlined the need for a political will for expediting resolution of West's standoff with Iran over the latter's nuclear program.
President Rohani and President Obama stressed the necessity for mutual cooperation on different regional issues.
Iranian Foreign Minister Mohammad Javad Zarif and his American counterpart John Kerry have been commissioned to follow up talks between the two countries.