Turkey's President Tayyip Erdogan and his Russian counterpart Vladimir Putin agreed to step up efforts to form observation posts in the northwestern Syrian province of Idlib, a source in Erdogan's palace said on Wednesday.
The two leaders also stressed in a telephone call the importance of Tuesday's Russian-sponsored conference on the conflict in Syria, despite problems at the meeting.
The two leaders also discussed the outcome of a Russian-sponsored conference on reaching peace in Syria, held this week in the Black Sea resort town of Sochi.
The Russian president's press service said that Putin and Erdogan agreed they were satisfied with the results of the Sochi congress and also discussed their cooperation in maintaining de-escalation zones in Syria.
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