Company vague about launch date for BlackBerry Enterprise Server and BlackBerry Internet Service Research In Motion (RIM) will soon launch its popular BlackBerry service in Taiwan, the company said Thursday.RIM is working with Taiwan Mobile Co. to offer the service, but it didn’t offer pricing information. It also offered a vague time frame to begin the service, as “during the summer.” The Taiwanese typically consider summer to begin the day of the Dragon Boat festival, which this year happened on May 31.Taiwan Mobile will launch BlackBerry Enterprise Server and BlackBerry Internet Service along with BlackBerry handsets for corporate clients and individual users, RIM said. Businesses in Taiwan could allow their employees to use access their e-mail and other corporate data with BlackBerry Enterprise Server, in addition to using software such as Microsoft Exchange, IBM Lotus Domino, and Novell’s GroupWise, RIM said.BlackBerry Internet Service allows users to access up to ten corporate and personal email accounts from a single device, the company said. Technology IndustrySoftware DevelopmentSmall and Medium Business