Voice over IP is slowly but surely making strides at organizations far and wide. According to Infonetics Research, 36 percent of large organizations were already using VoIP products and services in 2005. And few are embracing the full promise of VoIP, which is the creative integration of voice and data in ways that change the way people work. There is no killer VoIP application that spans all markets, but there are select environments in which the integration of voice and data are solving real-world problems. Here's how four very different organizations are using VoIP to address an array of business challenges, transforming their operations in the process.
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