Global IPTV subscribers will soar to 105.8 mln in 2011, rising at a stunning 98% Compound Annual Growth Rate (CAGR) from 3.4 mln in 2006, iSuppli predicts. To serve this huge base, the telcos? IPTV budget will have to grow to account for 20% of their total capital spending by 2011, including networking equipment, software and customer premises equipment, iSuppli reports.