http://www.universfreebox.com/articl...pe-pour-2-jour
quick translation: for 2€/day use your mobile as you are been en France.
received calls during roaming seems to be free too.
FR volunteer specialist in mobile.
Looks for free SIM with FR roaming Orange, Bouygues & SFR.
Delight mobile OK. Piranha mobile OK until now with a bad issue at the beginning.