ASTPP with FusionPBX integrate

I need to integrate Fusion PBX with ASTPP Only bid if YOU HAVE DONE this before Please bid, and be ready to show me that you have already integrated. If there is no demo of an integrated system as required above, then DO NOT bid. Only bid people who have experience with ASTPP and FusionPBX ** We need to implement an ASTPP billing box being a trunk for fusionpbx, later we will connect more fusionPBX servers ****** PLease No Milestones would be create until the project is completed ****** ****** Money Would Be Released When The Project Done and Full Test ******