Thanks for the replies. Yes, I am aware of, and have the iPhone apps that allow for local file transfer.
We have a home network with a separate cable modem and router. Once when we lost the internet connection, I could no longer communicate with my PC from my iPhone over the WiFi using my home wireless, addressable IP webcams, LogMeIn, StreamToMe BDrive, Polkast or VLCStreamer. I use these services either when at home over WiFi, or over the internet when not at home. My wife said to use WiFi I needed an addressable IP provided by the ISP.
I was asking mostly because I didn't realize/under