A hybrid electronic ballast circuit includes a ballast control, half-bridge driver, and a power switch half-bridge in a single package. The method comprises contacting the internet website of the service professional, providing certain predetermined information about the client to the internet website, comparing the information to an existing client database of the service professional, and determining whether a conflict exists between the information provided and the existing client database. A still picture, motion picture, or audio output, which is acquired when a release 6 presses a key button 5, is compared against a predetermined expected image or sound to judge the functionality of the cellular phone 1.