i answered it in person, just tell them what you know. the clerk will ask you questions and help you file your answer, then give u a court date, mine is about 3 months after the date i file the answer. so just show up and defense yourself, or lawyer defense u.
there are list of defenses that you can use for your consumer.. something. u can check it on your state's civil court website, chec it out, see which defenses are best suitable for you and from there you can even check if they really file a complaint against you.