From the book Thank You for Being Late by Thomas Friedman.
“Before then, everyone was very skeptical that CDMA could work in a commercial setting,” he said. “That was October 1995, and in 1996 South Korea came on using our phones made in San Diego. The voice quality was better, there were fewer dropped calls, and it could carry both voice and data at a scale that TDMA could not.”
Does “come on using” mean begin to use?