High Quality Content by WIKIPEDIA articles! Radiolinja was a Finnish GSM operator founded on September 19, 1988. On March 27, 1991, the world's first GSM phone call was made in Radiolinja's network. The network was opened for commercial use on July 1, 1991. When Radiolinja launched, Finland's incumbent mobile operator, Telecom Finland (later changed to Sonera, now part of Swedish TeliaSonera) operated a first generation mobile network on the NMT technology. Thus Radiolinja's launch was also the start of mobile telecoms competition in Europe. Several global firsts happened on the Radiolinja network, including the world's first person-to-person SMS text message, sent in 1993; the world's first fixed-mobile service bundle, launched in 1996; and the world's first paid downloadable mobile content, a ringtone, in 1998.

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