I have a cingular 8125 running windows mobile 6. I know it is working as a DUN modem since it wasn't until I changed the registry. Before the 720 would only use handsfree calling, now it says it can use wireless data. The problem is that is doesn't get the settings right. I have tried every phone type and provider that makes sense and even tried manually setting it up, but I can't seem to get it right. I am trying to source the answer on some other forums xda-developers, etc., but thought I might check here in case any other 720 owner has the same setup. Thanks!