Hi Kevin my privider give on my sim not really public IP. It was a NAT IP this not allow VPN. I changed provider, i asked to new provider really public ip. Now with static public ip works. regards...

I configured PPTP as described in user guide Advanced > VPN Server > PPTP VPN, and select Enable VPN Server. After i create remote vpn connection on remote device using windows buit-in PPTP At end i...