Using Sony Ericsson w900i as GPRS modem on Vodafone UK

Hi Folks,

I'm having real trouble using my w900i as a modem to connect to the internet. I can make the connection to vodafone's GPRS server and get an IP address. It connects fine but I am unable to load any web pages. There doesn't seem to be much receive activity.. There does however appear to be send activity. I have deactivated header compression and ppp packet echos but i am still having problems.

Any ideas peeps..?