Xiasma was contracted to develop solutions in ASP, Windows Forms and SQL Server 2005 to tight schedules with minimal available documentation. Northgate are responsible for designing and implementing telephone switchboard servers and applications for a number of high-profile customers. Their solutions require multiple redundant architectures and have expected lifetimes measured in decades. Reliance on their systems is heavy so robust, proven implementation is of paramount importance. We were responsible predominantly for feature changes in client and database technologies, utilising classic ASP, Windows Forms, .Net 3.0 and SQL Server 2005.