Hey guys. I've been having a problem with my Iphone 3G going straight to VM for about four months now. I went to AT&T to report the problem. They told me that the Sim card is FAILING. They replaced the sim card and, so far, that seems to have cleared up the problem. A friend who've been trying to call me for weeks could not get through due to the aforementioned reason. Every call he made went straight to VM. I can now receive calls from him and others without the calls going straight to my voice message. Hope this helps.