Jan 6, 2016
Obvious scam attempt. Phone, fax, text or email is not a legally valid way of "serving" you. If you were going to be served, you would have received lots of mail. Then a visit from a process server - who does not call you ahead of time (or text)!
More information at this link from the Federal Trade Commission - http://www.consumer.ftc.gov/articles/0258-fake-debt-collectors