Can I go to jail in PA for payday loans?

I got a call from a lawyer stating that I was going to jail for 6 months for a payday loan unless I sign a legl agreement for a repaymen plan. When I asked to send the said agreement over fax, he said he can't do that until he recieves my card information. He again called toady and stated that if I don't show up at the court house tomorrow, then I'll be arrested for 5 months in jail. What should I do?