Cingular Wireless announced its commitment to Microsoft to launch more smartphones throughout 2005 at Consumer Electonics Show in Las Vegas. Cingular already offers Motorola MPx220 Smartphone and Siemens SX66 Pocket PC phone which enable personal data applications such as access to enterprise networks and e-mail systems plus digital cameras. In addition to current models, Cingular should launch the Audiovox SMT 5600, originally sold by AT&T Wireless, during the first quarter of this year according to UT Starcom (Audiovox) spokeswoman Joan Cear. Various studies forecast strong growth in smartphone sales over the next several years. In 2004, more than 27 million were sold, up 89 percent from a year ago, according to ARC Group.