Telkom Test House or TTH is a Test Center for telecommunications equipment owned by Telkom located in the city of Bandung, West Java. TTH started its activities as a Test Center with the name RisTI Test House which was inaugurated in 1997 by the Minister of Tourism and Post and Telecommunications at the same time the UKAS/NAMAS certificate was received.
In line with developments in telecommunications technology and business, Telkom's Test Center has been transformed into the name Telkom Test House. TTH continues to maintain service quality and competence of test and calibration laboratories based on the ISO/IEC 17025 quality system with accreditation numbers KAN LP-490 IDN and LK-002 IDN. TTH has also been designated as a Test Center appointed by the Ministry of Communication and Information to open testing and calibration services. As part of Telkom, TTH also oversees the quality of telecommunication tools/equipment implemented in Telkom's operational network
The increasing number of telecommunication tools/equipment circulating in Indonesia has further increased the enthusiasm to continue to develop TTH capabilities, both human resource capabilities, infrastructure and facilities.