Sega want gamers to use the Dreamcast to make phone calls. The company is creating a joint venture with Internet phone service provider Inno Media to offer phone calls from consoles. Sega holds a 20 percent stake in the venture, with Sega affiliate Isao Corp. taking 30 percent and Inno Media holding the remaining 50 percent. Sega plans to begin offering the service in Japan as early as August, with a roll out in the United States to follow.