Evolving Systems, Inc. provides software solutions and services to the wireless, wireline, and cable markets in the United Kingdom, Nigeria, Mexico, and internationally. It offers Dynamic Subscriber Identity Module (SIM) Allocation, a SIM card activation solution that allocates and assigns resources to a wireless device when it is first used; and Tertio, a service activation solution for carriers to activate a new subscriber or to add a new service to an existing subscriber, as well as provides an operating environment to manage their voice, data, and content service needs for their traditional and broadband IP networks. The company also provides Mobile Data Enablement, a hosted solution that integrates with a mobile carrier’s network and operations support systems/BSS systems; Total Number Management, an automated solution that enables operators to manage their telephone numbers, as well as other communication identifiers, such as URLs and email addresses; and machine-to-machine (M2M) controller solution, which virtualizes M2M device connections and optimizes specific use cases frequently seen in typical M2M deployments. In addition, it offers professional and integration services for the customization, integration, and deployment of its products. The company was founded in 1985 and is headquartered in Englewood, Colorado.