Found this under Mox searching @ teltarif. It is from Dec 1, 2005, so this is fairly new.
http://www.teltarif.de/arch/2005/kw48/s19628.html
Does NOT mention roaming, however. Mox (Mox Telecom) is apparently Irish & is in the calling card business.
Stan
Phones: DASH V3 (3)
Service: US T-MO post paid (2) - US T-MO prepaid (2) - UM+ - TravelSIM DE SIMYO - DE SUNSIM T-Mobile DE
Calling Cards: Onesuite Enjoyprepaid AT&T MCI Mobivox