As if Italian operators don’t have enough to deal with – given the entrant of disruptor Iliad and the high price of the recent spectrum auction – they are now facing new competition from Sky Italia. The pay-TV provider is taking a shot at a quad play offering by launching mobile services via an MVNO agreement, to complement its plans in the fixed broadband sector. That could make it a significant player in the market, particularly challenging fixed-line providers. The existing operators were put on notice when Sky Italia was added to regulator Agcom’s public register of communications operators, which means it has official status as a telecoms operator. Earlier this year, Sky confirmed plans to launch fixed broadband services…