President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE's lawyer Rudy Giuliani Rudy GiulianiThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting CIA found Putin 'probably directing' campaign against Biden: report Democrats fear Russia interference could spoil bid to retake Senate MORE appeared to accidentally call an NBC News reporter and leave a voicemail in which he can be heard discussing money, NBC reported Friday.

The call came in after 11 p.m. on Oct. 16 and Giuliani appeared to be speaking with someone else in the same room, according to the news outlet, which published a portion of the audio.

The former New York City mayor discussed the kingdom of Bahrain and someone named Robert, according to NBC.

“You know, Charles would have a hard time with a fraud case ‘cause he didn’t do any due diligence," Giuliani said.

It was not clear who Charles is, NBC reported.

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"Let's get back to business," he reportedly continued. "I gotta get you to get on Bahrain."

Giuliani is then heard saying he has “got to call Robert again tomorrow.”

"Is Robert around?” Giuliani asked.

“He’s in Turkey,” responded the other man in the room.

“The problem is we need some money,” Giuliani said, adding after several seconds of silence, “we need a few hundred thousand.”

NBC News reported that Giuliani had worked with somebody called Robert Mangas in the past, who is a registered agent of Turkey's government and co-shareholder of the law firm Greenberg Traurig LLP, which Giuliani worked for until May 2018.

But a spokeswoman for the law firm noted, "It could not have been Robert Mangas on the phone since [he] has not been to Turkey since 2013 and Mr. Mangas has not spoken to Mr. Giuliani since before he left Greenberg Traurig in May 2018."

"Mr. Mangas and Mr. Giuliani never worked together on any matters related to Turkey, including the Zarrab case," she added. "In fact, affidavits were filed with the court confirming that the two representations were and would be separate and that the firm put up an ethical screen to be sure these matters were kept separate, which is how these situations are handled."

NBC also noted Giuliani's connections in Bahrain, including a meeting last December with King Hamad Bin Isa al-Khalifa.

This isn't the first time Giuliani has accidentally called an NBC reporter; last month he left another voicemail in which he insisted he was the target of attacks because he was making public accusations about former vice president Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE, NBC reported

-- Updated at 6:29 p.m.