VisorCentral.com (http://discussion.visorcentral.com/vcforum/index.php)
- Communications (http://discussion.visorcentral.com/vcforum/forumdisplay.php?forumid=20)
-- Connect Visor to any cell phone (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=13159)

I just found a company that makes connector cables for most phones. Cables are $49.00. No springboard needed. http://www.teleadaptusa.com/. Look on the right hand side near the bottom for the link.