During the meeting, Assad praised Iran's efforts toward forming of the constitutional committee amid obstacles created by the countries sponsoring terrorism.
"Ansari at a meeting on Sunday evening informed Assad about preparations for convening the meeting of the guarantor states on Syria, which is planned to be held in the next two days in Geneva, taking into account reaching an agreement on the final formation of the committee," the press service said.
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Last month UN Special Envoy for Syria Staffan de Mistura voiced his hope that the Syrian Constitutional Committee could convene in December.
Syria’s Ambassador to the United Nations Bashar Jaafari told the UN Security Council earlier that Damascus believes that the Syrian Constitutional Committee, set to draft reforms to the country's constitution, should be established as soon as possible.