Turkish Presidency says both leaders also spoke about importance of strengthening Turkey, US ties during phone call.
In a statement, the Presidency said: "President Erdogan and U.S. President Trump exchanged opinions on Syria crisis and regional issues, as well as Turkey-U.S. bilateral issues."
Erdogan shared information with Trump on the recently-held summit in the Russian city of Sochi, it said
"Both leaders -- who spoke about the importance of strengthening Turkey and U.S. relations -- agreed to fight against all kinds of terrorist groups, including the likes of Daesh, PKK and FETO," it said.
Earlier, Erdogan tweeted after phone call: “I had a fruitful phone conversation with the U.S. President Donald Trump today."
Foreign Minister Mevlut Cavusoglu -- in a joint news conference with Democratic Republic of Congo Deputy Prime Minister Leonard She Okitundu -- also touched upon the two presidents phone call.
Cavusoglu said Trump told Erdogan the U.S. would no longer provide the PKK/PYD terrorist group with weapons.
"Mr. Trump [...] clearly stated that weapons will not be given to YPG anymore and said that essentially this nonsense should have been ended before," he told reporters.