“First, we never comment and never reveal the details of our president’s international conversations with foreign counterparts, except for the information that we give in the press service,” he said.
Secondly, he noted, he was not aware that "such a conversation could take place."
“And I can’t say anything about the authenticity of this record,” he added, answering journalists' questions.
July 9 in Ukraine published a record of a supposedly telephone conversation between Poroshenko and Putin.
The Kremlin also commented on reports of the publication of the conversation.
The party called Poroshenko publication fake.