PT Sampoerna Telekomunikasi Indonesia ("STI" or the "Company") is a cellular service provider with a nationwide, full-mobility license to operate on 450.0 - 457.5 MHz and 460.0 - 467.5 MHz spectrum. STI's lincense enables it to offer voice and data services, as well as providing access to multimedia services through its cooperation with multimedia providers.

In 2006, STI launched its high quality and affordable telecommunication services under "Ceria" brand name. Using the CDMA450 technology platform, "Ceria" services have much wider coverage from rural/sub-urban to major urban areas.