ASTANA, January 22. /TASS/. Iran’s delegation to the Astana talks on Syria is optimistic about the event although not all the issues have been settled, Iranian Deputy Foreign Minister Hossein Jaberi Ansari, who is leading Teheran’s delegation to the talks, said on Sunday.

"We are optimistic about the talks," he said. "However, we have failed to settle all the issues."

No clarity has yet been reached about possible direct talks between Syria’s government and opposition in Astana, Hossein Jaberi Ansari stated. "It is not yet clear whether talks between the government and opposition will be direct or not," he said.