MetroPCS' launch of the world's first commercially available Voice over LTE (VoLTE) service .. Amdocs supported MetroPCS's VoLTE launch with its CES billing, mediation, and provisioning solutions (operated under a full managed services model) and its network control solutions, including the Home Subscriber Server and Policy Controller".
"These solutions enable dynamic policies and ensure quality of service to help service providers manage the impact of mobile data growth on their networks and generate revenue from personalized services".
At the end of Q2, 2012, MetroPCS had 9.3M subscribers with average monthly ARPU of $40.6. See the slides below for the role VoLTE plays in its plans.
See "Amdocs Supports MetroPCS Launch of World’s First Commercially Available VoLTE Service" - here.