steven6282. I use my phone very very much and I am in 4G turf. Don't have so much doubt. I had an hour and 18 minute call yesterday and only dropped my battery life by 8%. I am a previous employee from Verizon Wireless and I speak the truth. Instead of bashing the idea try it out and post your results. Using Google Voice is a great voicemail replacement. And it's FREE! Good luck!