Go to Avaya Support at http://support.avaya.com and download the Avaya Aura System Platform 6.2.x Release Notes document. See in particular the section, “Software Release Versions” which provides the names, dates of issue, and exact filenames for every full release (ISO platform upgrade or ISO feature pack upgrade) and patch release (RPM service pack or RPM feature pack upgrade) you can download from the Avaya Product Licensing and Download System (PLDS) at https://plds.avaya.com. The Release Notes also provide information about any known issues, as well as issues fixed, in the current release.