Methods and systems for resource and utilization management of telecommunications devices within an enterprise, where the enterprise contracts for telecommunications service from one or more service providers, comprising components configured to receive quantity data corresponding to the amount of telecommunications service used by the enterprise per period into a resource management system including a microprocessor executing programmed instructions, group telecommunications devices into pools of shared use for the telecommunications service, the pools of shared use including one or more telecommunication devices, analyze for each telecommunications device telecommunications services plans available from the service providers to determine the total quantity of telecommunications service provided by the service providers and the cost per unit of telecommunications service, select selected telecommunications service plans for each telecommunications device that accommodate a target quantity of projected telecommunications service use per period, and subscribe the telecommunications devices to the selected service plans.