If you can find a domestic defendant, you don't have to wait for the FTC to sue, nor do you need a class action.

47 U.S. Code § 227 - Restrictions on use of telephone equipment
https://www.law.cornell.edu/uscode/text/47/227

FCC: TCPA Compliance Guide (2012 revisions noted)
http://www.fcc.gov/document/telephone-consumer-protection-act-1991