CASE STUDY www.tnsi.com tsdsales@tnsi.com Transaction Network Services (TNS) is the leading provider of network services designed to meet the needs of carriers operating current generation IP networks or traditional circuit switched networks Background D&E Communications was founded in 1911 specifically to address the Pennsylvanian telephony market. Now D&E Communications is both an incumbent carrier, serving more than 175,000 access lin

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