Did you receive a REAL, snailmailed letter, written on processed dead tree ... or did you get an email, message or phone call that you interpret is a "letter"?
If the former, tell us the full name of the company & the attorney, as well as the company's address (and website if any)
Indian debt scammers. Ignore. I called that number out of curiosity, the robo-greeter is the same British-accented female that all these Indian scammers use. Do not answer or return the call. Totally bogus.