Settings for Cable and Wireless in UK for any Linksys Modem.
Encapsulation : RFC2364 PPPoA.
Multiplexing : VC
QoS : UBR.
Auto Detect : Disable.
VPI : 0. VCI : 38.
Username : is provided by cable and wireless
Password : is provided by cable and wireless.
Make sure Keep Alive is selected. And Save Settings.