AT&T provides communications services to customers in virtually every country and territory in the world. Remote access solutions, for example, are provided from more than 60,000 points of presence in 164 countries.

AT&T delivers the widest international coverage of any U.S.-based wireless carrier, giving customers the ability to make calls using an internationally enabled phone on six continents and 190 countries, with wireless data-roaming in 130 countries for laptops, hand-held devices and other data services.

Key Facts

• Operates one of the world's most advanced and powerful global backbone networks, carrying more than 10.17 petabytes of data traffic on an average business day to nearly every continent and country, with up to 99.999 percent reliability.
• The largest provider of broadband — more than 13.3 million lines in service (as of 2Q07) — and a major Wi-Fi provider, with nearly 50,000 hot spots in 80 countries.
• Ranks as one of the world's largest providers of IP-based communications services for businesses, with an extensive portfolio of Virtual Private Network (VPN), Voice over IP (VoIP) and other offerings, all backed by innovative security and customer support capabilities.
• Offers one of the most extensive VoIP service portfolios for businesses, enabling enterprises to migrate seamlessly between traditional and next-generation services.
• Only communications provider to deliver interoperability with the world's five leading IP PBX vendors
• Through YELLOWPAGES.COM, operates a leading Internet Yellow Pages network that received more than 1 billion local searches in 2006.
• World leader in transport and termination of wholesale traffic and recognized by numerous industry experts for its industry-leading wholesale services portfolio.

Global Networks

AT&T owns and operates world-class local, national and global wireline, wireless and IP/data networks, including one of the world's most advanced and powerful IP backbone networks, which uses Multiprotocol Label Switching (MPLS) technology to enable seamless integration of multiple networking technologies. This reliable, high-performance infrastructure helps businesses to evolve toward IP and support diverse applications while still taking advantage of their existing network infrastructure.

The AT&T global backbone network includes:

• MPLS-based services available to 137 countries via 1,600+ nodes.
• More than 151,000 managed MPLS ports for customers.
• 36 Internet data centers on four continents across the globe.
• More than 539,000 worldwide fiber route miles.

In the summer of 2006, AT&T launched one of largest U.S. deployments of next-generation routing and optical networking technology. This upgrade immediately quadrupled the routing capacity of key portions of our IP backbone, which sits on one of the nation's most modern and sophisticated photonicly switched long-haul fiber networks.

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