If members on here have not seen this Yet.! might have a Look at the link I provided and have a Read now it's not here yet it may be just a possibility but some other Carriers are trying it one looks to be using it and as I mention Verizon might Next year, so I'm putting this here on the Forum for your O what is this and do we need it or not, It might be a neat added feature to use then again it might not 
we shall see..
Have a Look & comment if ya want too..