这两篇博客里有讲：
blogs.sap.com/2010/03/03/…
blogs.sap.com/2010/03/24/…
In FM CRM_PRODUCT_SALES_READ_API, when reading sales org dependent product data, it checks sales area bundle customizing to see if we need an alternative distribution channel to get product data:
The business logic of this check is described in above documents.