Accounting integration can be achieved with the most popular accounting packages in Australia and overseas. All accoutning packages have import / export facilities and these linkages can be manually or automatically integrated into your online ecommerce webstore.
Point of Sale Integration can also be integrated to your offline sales in your shop and your online web business so everything is linked and working perfectly.
Its best to ask your accounting or POS provider which methods that are available and what is the best for your requirements. There can be extra costs to achieve the integration which need to be taken into account.