"Comcast's (NASDAQ: CMCSA ) small business communications services segment generates $2.3 billion in annual revenue, which is growing 30 percent to 40 percent top line, the firm's chief financial officer, Michael Angelakis, told listeners at the Goldman Sachs 21st Annual Communacopia Conference this week."
By 4Q2012 Comcast will have rolled out Hosted PBX to all regions. It should be sold via channel partners by 1Q2013. By then, it will accelerate. Right now, cloud for Comcast is Hosted Exchange, Sharepoint and Hosted PBX.