Cell phone w/ expanded calender capabilites

if u have at&t there is a motorolla phone that use windows os system. is great phone for what u looking for, i forgot the model number but i think there is only one model out. one cool feauture i remember it has is. when u have a meeting n the calendar at certain time the phone remembers u have a meeting at that time and date so when u go to the meeting and u forget to have ur cell phone off or vibrate then phone automatically knows that u are at a meeting and set itself into vibrate mode or silent mode without u even touch it