The 2015 CR Report of Deutsche Telekom was created in line with the Global Reporting Initiative (GRI) guidelines and in compliance with the "Core" option.
In the GRI content index below we refer to content pertaining to general and specific standard disclosures and explain this content when necessary. The standard disclosures are based on the very relevant aspects identified in our materiality process. Selected content from different action areas and information on the materiality process was subjected to an assurance engagement and are identified with a in the index. The index also contains links and explanations to other GRI aspects that are included in the report.