Business: PT Indosat Tbk operates as an integrated telecommunications network and service provider in Indonesia. Its principal products and services include global system for mobile communications (GSM) technology-based cellular services; international long distance and fixed wireless services; and broadband and narrowband musical instrument digital interface (MIDI) services. The company’s MIDI services include point-to-point international and domestic digital leased line, packet-switching, frame relay, very small aperture terminal, leased circuits, Internet, and satellite transponder leasing and broadcasting services. In addition, PT Indosat offers a range of additional value-added services, including short messaging, mobile data and facsimile services, voicemail, caller identification, call holding, call waiting, call forwarding, detailed billing, direct debit payment, international roaming, multimedia message, and general packet radio services. The company haa approximately 9.8 million cellular subscribers throughout Indonesia. PT Indosat, formerly known as PT Indonesian Satellite Corporation Tbk, was established in 1967 and is headquartered in Jakarta, Indonesia.