Eish, don't know the name of the software, it comes in the box of the phone and I last saw it 2 years ago.
But I have now found out that its actually uPnP protocal which is great as you can the use uPnP servers and clients to communicate with the phone.
I just installed mediatomb and can now see and play the media of my PC on my phone. Schweet. Now just finding a client to do it the other way around. This is on Linux but there is Windows clients and even hardware devices like XBox, PS3 and routers.
Mouks, to connect you go to Tools->Connectivity->Home Media and it will then start a wizard. Of course, you will need uPnP server to connect to or a uPnP client on your PC to connect to your phone.
Thanks for bringing this to my attention, going to have fun with it