TORONTO - Rogers Wireless and Research In Motion today introduced the new BlackBerry Pearl 8120 smart phone to customers in Canada that works on a cellular network and within a Wi-Fi bubble. The new smart phone supports Rogers Home Calling Zone, a UMA (unlicensed mobile access)-based service from Rogers that enables customers to make unlimited voice calls over a wireless Internet connection. Rogers is the first carrier in Canada to offer UMA services with its new Rogers Home Calling Zone. The new service leverages the dual-mode Wi-Fi(R) and cellular capabilities of the BlackBerry Pearl 8120 smart phone for both cellular...