(Telecompaper) Ziggo is approaching market leader KPN in the Dutch fixed telephony market. At the end of March, the companies were separated by just 1 percent point of market. Ziggo's market share increase 0.3 points in Q1 to 40.7 percent, while KPN fell 0.1 percent to 41.7. The two are competing in a steadily shrinking market, which contracted again in Q1, by 0.4 percent to around 6.2 million lines, according to research by Telecompaper.