ContributionsMost RecentMost LikesSolutionsRe: IPV 4 We use FontiClient. My IT department worked most of the morning trying to figure out a way to connect it to IPV 6 with no luck. Re: IPV 4 T-Mobile said they only work on IVP 6 and my work VPN only works on IPV 4. When I connect to the VPN I lose internet. Both sides say there is nothing that can be done at this time. IPV 4 Will T-Mobile be setting up IPV 4 on the home internet?