Primus has been forced to delay increasing line rental charges for some of its customers, after it emerged they hadn't been told of a £1.20/month hike.
Two boys racked up a mega £3,200 mobile bill playing a seemingly innocent game on an iPhone belonging to their dad, who is an England international rugby star.
MoneySavingExpert.com is today warning O2 mobile users to beware making calls to financial service firms, or revealing any other private details, as you could be overheard due to a crossed lines glitch.
Complaints about home phone and broadband provider Primus have escalated over recent weeks, with some users reportedly waiting hours to get hold of the firm's customer service team.