 Zoom Video Communications Incs NASDAQ: ZM deal to buy customer-service software company Five9 Inc NASDAQ: FIVN is being investigated by a U.S. Department of Justice-led panel over the formers ties with China, The Wall Street Journal reported on Tuesday, citing a Federal Communications Commission letter. What Happened: The interagency panel, known as Team Telecom, is reviewing the deal to see if it poses a risk to U.S. national security or law enforcement interests given Zooms China ties. 