High Quality Content by WIKIPEDIA articles! UMA Today is an international consortium of companies joined together to lead the adoption of 3GPP UMA technology around the world. UMA is the commercial name for the global 3GPP Generic Access Network (GAN) standard for fixed-mobile convergence (FMC). UMA enables secure, scalable access to mobile voice, data and IMS services over broadband IP access networks. By deploying UMA, mobile operators can deliver a number of compelling FMC services. The most well-known applications of UMA include dual-mode Wi-Fi/cellular phones. Leading operators around the world have embraced UMA as the foundation for their FMC strategies, including France Telecom/Orange, T-Mobile (USA), Rogers Wireless, TeliaSonera and Cincinnati Bell.