So I just moved into the basement of my new place and found that I would get a lot of dropped calls, not being able to hear the person, etc. while using 3G (on my 3G iPhone) despite having almost full bars most of the time. Doing a field test I saw that my strength was usually around -105 or -107 and figured that was the reason for the dropped calls. Plus, I usually have more bars of 3G than of Edge in my basement. I remember reading that the 3G signal has a harder time getting through buildings (and thus basements) so I thought I would give Edge a try instead. I switched to Edge and haven't had a problem with dropped calls since. I checked the field test and my number was around -89 and -92, big improvement. I am pretty surprised using Edge has made such a big difference. I don't mind the slower speeds I get with Edge because my Wifi takes care of that! I know sometimes the phone will switch from 3G to Edge if the signal is weak, but my phone doesn't do this in my basement. Seems a little bizarre that the phone bases whether or not it switches on the number of bars and not the field test numbers (or am I wrong?) Anybody else find themselves turning off their 3G to get better call quality with Edge?