It turns out the complaint is nothing more than a rumor reported by someone in the intelligence community. Buried in a lengthy CNN article about the complaint is the following paragraph:
Granted, this is yet another anonymous source giving more context on what another anonymous source told a different outlet, but it still calls the entire story into question.
https://www.dailywire.com/news/52069/yup-looks-big-anti-trump-whistleblower-story-was-ashe-schow
The whistleblower didn't have direct knowledge of the communications, an official briefed on the matter told CNN. Instead, the whistleblower's concerns came in part from learning information that was not obtained during the course of their work, and those details have played a role in the administration's determination that the complaint didn't fit the reporting requirements under the intelligence whistleblower law, the official said.
Granted, this is yet another anonymous source giving more context on what another anonymous source told a different outlet, but it still calls the entire story into question.
https://www.dailywire.com/news/52069/yup-looks-big-anti-trump-whistleblower-story-was-ashe-schow