Digium Doubling Annual Sales with Open Source VoIP

We thought it would be good to give open source VoIP pioneers Digium equal time, given our recent post about Freeswitch. Digium’s founder, Mark Spencer was the original author of the Asterisk PBX, one of the more mature open source VoIP platforms. The company’s VP of Marketing, Bill Miller, told me that "Last year was a big year for us; at the year-end we had finished our 24th straight profitable quarter.