Attempts had been made to sell the system internationally, including test broadcasts in the United States and the Soviet Union. In 1980, CBS had lobbied U.S. Federal Communications Commission (FCC) directly to make Antiope the teletext standard for the United States. However, by 1986, all these efforts had failed. Across Europe 9 million sets had been sold equipped to receive teletext based on the UK standard; whereas in France, the only country using Antiope, sales had only reached 100,000. Manufacture of Antiope-equipped TV sets ceased in 1987, and in 1989 broadcasts began in the rival European standard World System Teletext. For a while the two services were broadcast in parallel, but Antiope broadcasts finally ceased in the early 1990s.