Categorizing and Prioritizing Telephony Features

Many approaches to the feature-interaction problem propose resolving interactions among modular features by priority. However, feature-rich services, like telephony, offer hundreds of features, raising questions of whether analyzing and prioritizing features is feasible. This article categorizes features by their goals and functionalities. We discuss how features, collected from customer-service manuals, feature-interaction benchmarks, and feature-interaction contests, might be categorized and how to prioritize these categories with respect to one another.