Optimum Outcome, Inc. a debt collector keeps harassing me and calling. I 've told them prior to XXXX 2015 that I could not pay the debt and I am currently on XXXX. They have continued to call even though I blocked them on my cell phone, they are still able to leave a message on my voicemail. The calls that I still have logged are from XXXX/XXXX/15, XXXX/XXXX/15, XXXX/XXXX/15, XXXX/XXXX/15, XXXX/XXXX/15, and today, XXXX/XXXX/15 at XXXX p.m. I do not need this stress while on XXXX and XXXX.