"Biden reaffirmed ... Zelensky the United States' commitment to protecting the territorial integrity and sovereignty of Ukraine," the White House press service said in a statement.
It is noted that the presidents agreed on the importance of continuing diplomatic efforts and policies of containment in response to Russia's alleged military buildup near the borders of Ukraine.
Earlier it was reported about the end of the telephone conversation between Biden and Zelensky.
The negotiations lasted almost an hour.