The intent was to connect Trump's chief national security adviser at the time, Michael Flynn, with Russian military leaders, the AP reports.
News media report that the FBI is investigating meetings Kushner had in December with Russian officials. Kushner spoke with Sergey Kislyak, the Russian ambassador to the US, about creating the secret line to make it easier to hold sensitive discussions about the conflict in Syria, according to a person familiar with the discussions.
"Kushner, who some say has sealed himself off from the competing White House power centers, may now be in a position of needing allies".
The Post said Kislyak reportedly was taken aback by the idea of having an American use Russian communications equipment at one of its facilities because it could have involved security risks for both Americans and Russians.
-This can't be good news for the JVanka faction in the White House.
Russian Federation at times feeds false information into communication streams it suspects are monitored as a way of sowing misinformation and confusion among US analysts.
"Mr. Kushner participated in thousands of calls in this time period".
After the November 8 election, Kushner and Flynn also discussed with Kislyak the idea of creating a back channel between Trump and Russian President Vladimir Putin that could have bypassed diplomats and intelligence agencies, two of the sources said. And the fact that he is family - the one (only?) thing Trump is ultimately loyal to - makes it less likely that Jared will go anywhere.More news: How a Fringe Conspiracy Theory Made Its Way to Sean Hannity's Broadcast
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The entire idea, he said, "seems extremely naive or absolutely insane".
The president's renewed attack on the media comes amid reports that his son-in-law and senior adviser Jared Kushner talked with the Russian ambassador in December about establishing a backchannel for communications. "It allows you to communicate in a discreet manner".
Kushner's legal counsel said after the reports that Kushner was part of the federal investigation, but not a target, his client will talk to federal investigators and Congress about his contacts and his role in the Trump campaign.
Kushner's involvement in the proposed back channel was first reported by The Washington Post, which said he suggested using Russian diplomatic facilities for the discussions, apparently to make them more hard to monitor.
The White House crisis management plan, Jared Kushner's standing with the boss and new congressional wrinkles in the Russian Federation investigation - they're all a part of our Inside Politics forecast.
"The authority now for the two leaders means they can require and compel legally more information from other people, and you're starting to see that even though there was a sense of, "Oh, we have time; we're trying to do this right" just a few weeks ago, as everything else kicks into high gear, you're going to see some kicking into high gear on Capitol Hill, too". Officials said he misled Vice President Mike Pence about whether he and the ambassador had discussed US sanctions against Russian Federation in a phone call.
Another potential line of inquiry could concern Kushner's failure to disclose some of his contacts with Russian government officials when he was filling out his application for a security clearance.
And Reuters reports that Kushner had at least three previously undisclosed contacts with the Russian ambassador past year, including two phone calls between April and November. The White House did not acknowledge any other contacts between Kushner and Russian officials. He urged reporters to instead ask him about foreign policy and national security issues that would have come up during the President's first foreign trip, which has been dogged by the incessant flow of new allegations surrounding the President's campaign associates' contacts with Russian officials.