- A Call Accounting System which compatible with any PBX. - 56 Tel.Bills for Pabx Billing feature. Can short, filter, layout in many different ways, customize the header/footer of the report. - 14 bills for Hotels, supports Hotel via RoomRack (Room is row, Date is column). Check-in/Check-out/Move can be done very easy on the cells of RoomRack. One bill for guest including the room sub-bill, telephone sub-bill and other kind of service sub-bill