Callback_module with Trixbox 2.8 and PRI card on the PBX

Hi everybody , i have a question for you ;

My Callback_module 0.3 was working with trixbox 2.8 very well but right now we install a PRI card

on the PBX and the module does not works anymore , can someone help me to understand how, and what i have to do ?

Thank you very much .