LITTLE ROCK, Ark.–(BUSINESS WIRE)–Windstream Enterprise (WE), a managed communications service provider, launched a new IP-based solution tailored to the need for critical safety voice applications. Digital Voice Lines (DVL) with Cellular Failover from Windstream Enterprise is designed to replace traditional Plain Old Telephone Services (POTs) as a more cost-effective and dependable alternative for customers. DVL with Cellular Failover from Windstream Enterprise supports critical services suc