AT&T is the largest telecommunications company in the United States and one of the largest in the world. It is the global company that will set the industry standard for a new era of integrated communications and entertainment services. Today, AT&T has IP-based (Internet Protocol) network capabilities, assets, and resources that are widely regarded as unsurpassed in the marketplace, enabling the company to lead the industry in using the language of the Internet to deliver innovative services that integrate voice, data and video. The combined IP assets of AT&T will enable innovations that neither the pre-merger SBC nor pre-merger AT&T could have accomplished on its own.
AT&T serves millions of customers around the globe, including global, national, mid-size, regional and government customers. It delivers an unsurpassed portfolio of traditional and IP-based voice, broadband Internet, data transport, wireless and video services. It also offers online and print directory publishing and advertising.
AT&T has one of the world's most advanced and powerful global backbone networks, carrying 5.4 petabytes of traffic on an average business day to nearly every continent and country, with up to 99.999% availability.
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 support capabilities.
- AT&T VoIP service portfolio is one of the most extensive in the market today, enabling enterprises to migrate seamlessly between VoIP and TDM services.
- AT&T is the only provider to deliver interoperability with the world's five leading IP PBX vendors.