DPI tools (traffic filtering services that carriers have) will not be able to determine if there is a VPN traffic going through. At the deepest inspection of network packets, nothing secret / strange will be revealed. For anyone outside the channel the VPN will appear like a regular communication between a device and a server via HTTPS protocol, which can be a simple visit of any modern website.
We hope you find our services easy to use and hassle free. But if you ever need any help, please don’t hesitate to contact us. We are looking forward to hearing from you!