Hello how may I help you? can you set my phone to vibrate mode? Yes, I can. Okay I need it to be on vibrate mode from 8am to 6pm Mon to Fri Okay. Would you like it to also make a sound while vibrating? No sound. My boss threatened to fire anyone who had a cell phone at work. i need it to be discreet. Of course. I will set your phone to vibrate only. Thank you. Anything else I can help with? Nope. Thanks again You're welcome.