TEMS Discovery Device 12.1.5 TEMS Discovery is the wireless industry’s most comprehensive network analytics and optimization platform, providing mobile operators and their service providers with unparalleled insight into network performance as perceived by subscribers at the device, application and network level. This holistic approach is unique to TEMS Discovery, empowering operators to lock-in premium subscribers by validating that they are receiving the service levels they demand, around-the-clock, from any location, and across voice, data and integrated media services.