I'm in japan traveling for work. my 3g works fine on docomo's network. however in room I try to use my wifi over my D-Link DWL-G730AP (one of them pocket deals)
here's a summary of what works:
Macbook Pro - Browser works, Google talk don't work
Blackberry 9800 - Browser no worky, Google Talk & BBM Work
iPhone - Browser no worky, beejive no worky
I have tried the following solutions - Soft Reboot, Battery Pull