Under the contracts' terms, AT&T will upgrade Frost to high speed network services and provide integrated wireless and wireline voice services.

Frost will upgrade to AT&T's Multiprotocol Label Switching (MPLS)-based Virtual Private Network (VPN) services. With this solution, Frost will improve the security and reliability of its data-flow management. The AT&T network is also highly scalable, offering Frost the flexibility to customize its network services to expand when levels of higher bandwidth are required.

For customers, this means that they can continue to rely on Frost for fast and secure access to their financial information.

Additionally, Frost is using AT&T's integrated offering for wireline and wireless voice services. By combining these services under one contract, Frost can take advantage of a discounted wireline-to-wireless calling rate.

"In evaluating our network and voice services, we had two primary goals: continuing to provide the best service possible to our customers and sustaining our commitment to operational efficiency," said Gary McKnight, senior executive vice president of Operations and IT Administration for Frost. "AT&T offered a solution with the kind of connectivity we need to help reach those goals."

In addition to network and wireless voice services, AT&T provides Frost with a full suite of voice and Internet access services. The agreements renew and expand a long-standing relationship between the two companies.