attOur backbone network carries a full range of IP-based services, including wireless data, business video, data and voice services, private line and wavelength traffic, as well as IP-based residential services and Internet access for AT&T’s more than 16.7 million DSL and AT&T U-verse service customers.

Our network also incorporates Multiprotocol Label Switching (MPLS), which supports a full range of applications over a single IP network infrastructure with the highest levels of service quality.

To stay ahead of the ever-increasing demand for online video, photos, music and IP-based business applications, we recently switched on the nation’s first coast-to-coast IP/MPLS network using new-generation routing technology that carries data at 40 Gbps. More than 40 percent of the IP traffic carried over the company’s backbone network rides on this new-generation platform.

The AT&T global backbone network includes:

MPLS-based services available to 163 countries over 3,800 service nodes.

38 Internet data centers across the globe.

Our industry-leading wireless network includes:

Our fully digital voice and data network for mobile phone with GSM/GPRS (Global System for Mobile communications/General Packet Radio Service) infrastructure that covers 100 percent of our service area – more than 3.8 billion people in 200+ countries.

Wireless laptop users are enjoying faster broadband uplink speeds thanks to our current deployment of High Speed Uplink Packet Access (HSUPA) technology. AT&T completed the first High Speed Uplink Packet Access (HSUPA)-enabled network in the United States in June 2008.

Superior spectrum availability in the nation’s top 100 markets.

Our U.S. wired network capabilities encompass:

54 million access lines.

Wi-Fi access at more than 90,000 hot spots spanning countries around the world (including company-owned and third-party roaming locations) – with the addition of approximately 7,000 Starbucks locations.

We’re constantly working to deliver new capabilities and applications via our access network. For example, our U-verse service deployment is enhancing our wired access capabilities to deliver advanced IPTV services to residential customers.

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