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Deutsche Telekom AG - Interim Group report - January 1 to March 31, 2011

74 3G. 3G is the third-generation mobile communications standard that supports higher transmission rates. In Germany, this is the Universal Mobile Telecommu- nications System (UMTS) standard. 4G. See LTE. Access. Internet access. Adjusted EBITDA margin. EBITDA (adjusted for special factors) divided by revenue (adjusted for special factors). ADSL, ADSL2+. See DSL. All-IP. An all-IP network makes services such as VoIP, IPTV (Internet Protocol Television), data transfer, etc., available to all users anywhere at all times. The data is transmitted in switched packets using the Internet Protocol (IP). ARPU – Average Revenue Per User. ARPU is predominantly used in the mo- bile communications industry to describe the revenue generated per customer per month. Bandwidth. Denotes the width of the frequency band used to transmit data. The broader the bandwidth, the faster the connection. Bitstream access. Wholesale service used by alternative telephone compa- nies to provide broadband lines. Call center. A company, or department of a company, that offers operator- supported voice services. A large number of operators handle inbound calls via a hotline and/or outbound calls as part of a direct marketing campaign. Cash capex. Investments in property, plant and equipment, and intangible assets (excluding goodwill) as shown in the statement of cash flows. Cloud services. Cloud computing is the dynamic provision of infrastructure, software or platform services online. Apart from a high level of automation and virtualization, the services provided have to be multi-client-capable and include standardized hardware and software. Customers source these services on demand and pay based on actual usage. The communication infrastructure may be the Internet (public cloud), a corporate network (private cloud) or a mix of the two (hybrid cloud). Dynamic Services is a T-Systems product for the flexible procurement of ICT resources and services based on the idea of dy- namic net-centric sourcing. Desktop services. Global desktop services involve a variety of support services, including the outsourcing of entire IT networks. In this context Deutsche Telekom offers a full portfolio of corporate IT services, from server infrastructure and PC workstations through to application manage- ment and call center services that provide user support. Double play. Refers to service packages combining Internet and voice com- munication (telephony). Download. Refers to the downloading of files from a remote server over net- works such as the Internet or mobile communication connections onto a local computer or other client, such as a cell phone. DSL – Digital Subscriber Line. In Deutsche Telekom’s service portfolio as: −− ADSL (Asymmetrical Digital Subscriber Line) for private end-customer lines. Technology used to transmit data at fast rates (from 16 kbit/s to 640 kbit/s upstream, up to 8 Mbit/s downstream) via standard copper wire pairs in the local loop within a radius of approximately three kilometers. −− ADSL2+: Successor product to ADSL that raises the maximum data rate to 16 Mbit/s (downstream) or 1 Mbit/s (upstream). −− VDSL (Very high bit rate Digital Subscriber Line) is a new technology used to transmit exceptionally high data rates (10 Mbit/s upstream, 50 Mbit/s downstream) via a fiber-optic network. EBIT. EBIT is profit/loss from operations as shown in the consolidated income statement. EBITDA. Profit/loss from operations before depreciation, amortization and impairment losses. Enabling. Enabling services are a key component of our business model. We enable other companies or software developers to integrate our network and IT abilities into their own services via standard interfaces. For this purpose we bundle our products to create a toolkit of standard services, supporting the growth of our business partners and benefiting ourselves at the same time. Entertain. Deutsche Telekom’s Internet Protocol TV service (see also IPTV). TV signals are transported over the digital subscriber line, facilitating interactive features such as time-shift TV or access to online video stores. Equity ratio. Ratio of shareholders’ equity to total assets. Glossary.