OK so my friend is a single mother of two, and she had to go to a hospital well at the time she didn't hareed over phgve insurance well a debt collector called an she agreed over phone to pay 150 a month never any signed documents, she had to recently move an now cannot afford this and she gets aletter in the mail saying plaintiff moves this case be submitted for immediate trail and for judgment by default, what does this mean? She was never summonsed to court and the letter sent was in a state neather her nor the collection agency is in can anyone help?