Cross Domain SOAP CAlls XML

I need a complete solution with Cross domain SOAP XML call for CRUD operations. I need a complete step by step solution (documentation) with example on how to achieve this for a simple MSSQL DB table. The sample table below will exist across domains i.e different DB servers The solution must achieve the following objectives: 1. Trigger for Call operation 2. One example each of CRUD operations. 3. Exception and Error handling 4. Asynchronous update of CRUD operations CREATE TABLE [dbo].[Item_Master]( [Item_Code] [nvarchar](20) NOT NULL, [Part_No] [nvarchar](50) NULL, [Item_Description] [nvarchar](500) NULL, [UOM] [nvarchar](10) NULL)