A method of call forwarding a call originally placed to a mobile telephone number of a mobile telephone to a landline telephone number of a landline telephone is provided, wherein the call is routed through a telephone network by a service provider. The simulated eye includes a housing having at least one guiding post, a driving device housed in the housing, a transmission member movably coupled to the driving device, an eyeball having a transparent portion, an elastic film including a simulated pupil, and a stopper. The first and second regions each extend across the top surface and the sidewalls of the semiconductor body.