Here's another number to drop into your business plan: Infonetics Research says that telecommunications and data-communications gear sales to telecommunications companies and enterprises hit $139 billion in 2007, up 11 percent from 2006. The projection for the global market in 2011 is $174 billion, for a spike of 26 percent. Alcatel-Lucent and Ericsson lead the telcommunications market, while Cisco Systems Inc. leads in the enterprise space. Check back in 2012 to see how these projections have stood up. IStockAnalyst has all of the details.