How to set up a VPN on your Windows Phone
With your login information on-hand, you can manually configure a VPN client on your Windows Phone.
Go to Settings> Network & wireless> VPN. Then click the Add a VPN connection button and make the following settings.
Server name or address: us.tuadd.com
VPN Type: L2TP/IPSec with pre-shared key
Connect using: username+password+preshared key
Preshared key: vpn2key
Type of sign-in info: Username and password
Username (optional): Username
Password (optional): Password