Well, it's good to know that some people are griping about the occasional bad signal reception on the iPhone.
http://www.ft.com/cms/s/0/26af69b6-6c8c-11dd-96dc-0000779fd18c.html
http://www.ft.com/cms/s/0/26af69b6-6c8c-11dd-96dc-0000779fd18c.html