This page is displayed to you, because you probably used a direct link to an openTRANS-document (e.g. a link in an openTRANS-Example file). To view all details and information about the openTRANS-standard, please refer to http://www.opentrans.org. You can find the openTRANS-documents, examples and the dcoumentation in the "Download"-section of http://www.opentrans.org, which is available after free registration.
All documents under www.opentrans.org/XMLSchema/ are for automatic reference in the source code of applications only! You can manually browse through the openTRANS-documents on http://www.opentrans.org.
For automatic reference in your source code, the following openTRANS-files do exist: http://www.opentrans.org/XMLSchema/2.1/opentrans_2_1.xsd