"You'll see volumes of Symbian devices in coming months and years ... which gives us the ability to carefully manage the transition of Symbian and Windows phones," Elop said. Nokia's plans for Symbian devices will provide "a huge opportunity for developers," he added.

Elop said that Meego devices will ship this year to take advantage Qt, a cross-platform developer framework. But he added that Nokia has no plans to put Qt on Windows Phone. "It would confuse developers and consumers," he said.

Matt Hamblen covers mobile and wireless, smartphones and other handhelds, and wireless networking for Computerworld. Follow Matt on Twitter at , or subscribe to . His e-mail address is .

in Computerworld's Mobile and Wireless Topic Center.