The DX Users Association The DX Users Association (DXUA) provides a forum, allowing you as a user of the DX PABX ( iSDX, Realitis DX, HiPath DX etc.) to learn from other people and share the experiences of application, implementation and problem solving. Members find that this helps them maximise the contribution to their business from this important resource.   Who are the members? Members of the DXUA come from varied backgrounds and from a mixture of large and small companies. The DXUA currently has in excess of 100 member companies from public and private sector organisations.   Independent Although independently run, the DXUA receives active participation from the Manufacturers and Distributors of the Switch:   Manufacturer Siemens Main Distributors   - Siemens BT Affiniti