Noob needs help with web settings for Medion smartphone

I have a new Medion Smartphone, model MDSp150. I believe it's based
on the Sagem myS-7. I am using a Vodafone Pay As You Talk sim card.

I can't configure it for the Internet or GPRS. I keep getting the
message "Verify your dial-up or proxy settings are correct". I've
looked at different forum threads for other Smartphones, but the
instructions don't tally with the options on my phone.


I've been in to Vodafone and Carphone Warehouse, and spoken to
Vodafone and Medion by phone. None of them knows what I should be
doing. Medion tech say all I need to do is tell Vodafone I have a
Windows mobile based device; when I do this, Vodafone say they can't
help, and it wouldn't work with PAYT anyway (funny, it worked just
fine on my last phone with the very same sim card!)


Where do I obtain the relevant settings and how do I input them, (and
how come it's so easy for Vodafone to do it for any other model but
this???)