The open source VoIP tide keeps rolling, as InfoWorld Bossie winner Asterisk announced its millionth download in 2007 today.Digium’s open source VoIP platform continues to win over organizations on the smaller end of the spectrum, but widespread enterprise adoption remains elusive, despite Asterisk’s business-worthy proposition, as noted by InfoWorld’s Paul Venezia in Open source VoIP makes the business connection, a deep dive look at open source IP telephony in the enterprise.Of course, enterprising business-class Asterisk deployments do exist. Summer Bay Resorts, winner of an InfoWorld 100 award winner, replaced its legacy PBX with a series of HP DL360 machines running CentOS and Asterisk at each of its call centers, logging more than 1 million voice minutes per month on a 13-server system, as Venezia found out in Case study: Asterisk proves its worth. The cost benefit of going open source for IP telephony is compelling. And Asterisk offers a bevy of worthwhile business features, not to mention a deep development community. It should be interesting to see whether Asterisk can build on this momentum and push deeper into the enterprise in the year to come.Additional resourcesOpen source VoIP makes the business connection Thanks to worthwhile IP PBX alternatives such as Asterisk, open source VoIP is ready for targeted enterprise deploymentCase study: Asterisk proves its worthLooking to expand its phone operations, Summer Bay Resorts called on Asterisk — and the open source IP PBX delivered Adventures in Asterisk deploymentWherein the author rolls up his sleeves and embarks on his own open source VoIP odysseyInteractive graphic: Anatomy of an Open Source VoIP Rollout Screencast: Open source VoIP: Trixbox 2.02007 InfoWorld Bossie AwardsInfoWorld editors and reviewers award the Best Open Source Software for the enterprise 2007 InfoWorld 100 AwardsThis year’s recipients of InfoWorld’s highest honor are shining examples of IT projects undertaken by tech leaders committed to pushing their organizations forward Paul Venezia: The Deep End Technology Industry