Did you rely on the switch device wizard to handle Google Talk (I've never used it) or did you install it yourself on the 8310?
Originally Posted by growse
I just upgraded the software to the 4.5 version from vodafone.de. Still no dice. It worked so well before :(
Tossing additional variables into the mix is not the best way to troubleshoot (and that applies regardless of what you're troubleshooting). I'd seriously advise you to downgrade.