BenQ, along with its handset unit BenQ Mobile, have decided not to participate in next year's CeBIT technology trade show, but will continue to exhibit and promote handsets at the 3GSM World Congress 2007, according to sources at BenQ. The 3GSM World Congress 2007 is scheduled to take place in Barcelona, Spain from February 12-15 while CeBIT will be held in Hannover, Germany from March 15-21.