Nauert said Washington was "mystified that the Gulf states have not released to the public nor to the Qataris the details about the claims that they are making".
The Iranian president also highlighted the significance of unity and integrity in the Muslim world and said Tehran and Doha can undoubtedly cooperate with each other in this field.
"The illegal siege has nothing to do with combating terrorism, (but) it is about limiting Qatar's sovereignty, and outsourcing our foreign policy", he said.
"We believe that if there is a dispute among regional countries, pressure, threat or sanctions are not an appropriate way to settle disputes", Rouhani said.
A decision on Friday by the Montreal-based ICAO to a hold a briefing comes after Qatar Airways chief executive Akbar Al-Baker expressed concerns that the United Nations agency was not working quickly enough to solve the crisis.
Yet resisting the demands could prove hard.
The demands called for the creation of a 10-year mechanism to ensure Qatar is complying with the agreement.
He also angered the Yemeni government when last month he tweeted that the removal of the president, Abd Rabbuh Hadi, was "a Gulf, Arab and worldwide demand".
"This is an Arab issue that requires an Arab solution", Otaiba said.
"He is very concerned about the next move and is trying to shore up the retaining walls for an upcoming storm using Qatar", Mr Bozkurt said, referring to potential domestic crises the Turkish leader could face. "We are for them to settle between themselves all the problems".
That presumably would mean Qatar would have to close down Al-Jazeera's English-language affiliate.
Erdogan called the demand that Qatar shut down Al-Jazeera an attempt to take away the network's press freedom and urged rights groups to speak out against that.
Underscoring the growing seriousness of the crisis, state-run Qatar Petroleum acknowledged Friday that some critically important employees "may have been asked to postpone" trips overseas "for operational reasons" due to the embargo.
-Hand over "terrorist figures" and wanted individuals from the four countries.