If you have an iPhone just browse to the empeg. This would not require anything at the empeg end, but you will need some connectivity between the two. Very simple. I know I can browse to mine from anywhere if I have to, but normally I lock it down to home networks only.
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Rory
MkIIa, blue lit buttons, memory upgrade, 1Tb in Subaru Forester STi
MkII, 240Gb in Mark Lord dock
MkII, 80Gb SSD in dock