AT&T announced that new and existing virtual private network (VPN) customers may add VoIP service to the network solution delivered over AT&T’s global network cloud.

This converged solution is said to enable customers to consolidate their separate voice and data networks, reduce equipment and maintenance costs, and simplify migrating these complimentary capabilities to a common, secure infrastructure.

By migrating to a common infrastructure, customers are able to take advantage of additional applications as AT&T makes them available, such as unified communications capabilities.

The AT&T VoIP portfolio is certified for interoperability with leading industry providers of IP-PBX systems, such as SIP Trunking services qualified for Microsoft Office Communications Server 2007 R2, providing support for businesses planning to incorporate a comprehensive unified communications solution in the future.

The company’s portfolio of VoIP services includes AT&T IP Flexible Reach, a SIP trunking service, which "allows businesses to continue to use the capabilities of their existing IP-PBXs, optimizing their equipment investment."

AT&T Voice DNA, another product in the VoIP portfolio, is a fully hosted network-based service with advanced features, applications and management tools for customers.

AT&T customers can access their VPN using virtually any access technology, such as mobile, Wi-Fi, DSL, dial-up and Ethernet.

“Voice service is as mission-critical for businesses today as it’s ever been, and customers expect their VoIP service to perform as well as their traditional telephone service,” said Shawn Conroy, vice president, AT&T Business Solutions.

"Adding voice to the network cloud gives customers the ability to determine their optimal level of security, architecture, cost and performance objectives — key differentiators for AT&T,” he said.

According to AT&t, Today, the company offers Multi-protocol Label Switching (MPLS)-based services to 163 countries over 3,800 service nodes, and operates 38 Internet data centers around the world. These assets enable AT&T to provide customers with globally-consistent access to capacity and features – when and where they need it most.

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