That's raised questions in Austria about the real agenda for Putin's visit.
Putin has variously denied Russian meddling and said that "patriotically minded" hackers may have been involved separately from the Russian government. One caller asked Mr. Putin whether popular social media sites such as Instagram and YouTube were at risk of being banned as Telegram was.
Pro-Putin activists have been accused of spreading "fake news" on social media to undermine the tough Western stance on Russian Federation and help empower nationalists in the EU.
"If they were poisoned by military-grade poison, why did they not die?" he said.
An odd blend of news interview and talk-radio show, the event enables the Kremlin to touch on questions of national importance, from the economy to relations with the United States.
The videoconferencing element was a new addition to the yearly call-in show.
"I hope that things won't get to such provocations but if that does happen, I think that it will have very dire consequences for Ukrainian statehood as a whole", Putin said.
As writes the edition, the theme of the meeting of Putin and trump was raised during the visit of the President of the Russian Federation in Vienna on 5 June.
In contrast to previous phone-ins, this year Putin called on ministers and regional leaders to stand by, ready to go live on air to discuss practical issues with callers.
The goal is to show Putin as involved in, and capable of solving, even the smallest of ordinary Russians problems, playing on an old Russian trope of the benevolent tsar whom peasants would petition for help.
Trump a positive attitude to the possibility of direct dialogue with Putin. "It's in the Kremlin where everything is wonderful".
"It's connected with the pragmatic interests of the USA, as they are understood by the current leadership".
When asked about Russia's ongoing military campaign in Syria, Putin argued Russia's military had gained valuable experience from participating in the Syrian conflict but seemed to walk back earlier repeated calls for a large-scale withdrawal of Russian forces. "On the contrary, we want to see a united and prosperous European Union, because the European Union is our biggest trade and economic partner". Instead, he used the question to ridicule claims that the Kremlin tried to influence the 2016 USA presidential election.
The 2018 soccer World Cup begins in Russian Federation next week. "I don't say this to rejoice or to be ironic".
"Overall, we are moving completely in the right direction".
Putin, who has ruled Russian Federation since 2000, was re-elected for his fourth term in office in March and, barring changes to the Constitution, will not be able to run again in 2024. While the International Olympic Committee investigation didn't directly accuse him of wrongdoing, it found his former deputy Yuri Nagornykh must have known a cover-up was underway because he was copied into incriminating email messages.