MILAN, June 30 (Reuters) - Italy's antitrust authority saidon Tuesday it had launched non-compliance proceedings againstfour mobile operators for continuing to supply customers withpayable services they did not ask for or at least not knowinglyand then charging them.
The watchdog said the four companies, which include TelecomItalia's TIM, Britain's Vodafone, Vimpelcom's Italian mobile phone unit Wind and CK HutchisonHoldings' H3G, had already been sanctioned in Januaryfor "providing misleading information" and for "aggressiveconduct".
Various consumers later reported that the practices werecontinuing, the authority said in a statement.
At the end of the investigation, which will last 120 days,the watchdog will decide if there will be any fines.
A spokesmen for Wind had no immediate comment and aspokesman for H3G declined to comment. Spokespeople at Vodafoneand Telecom Italia could not immediately be reached for comment. (Reporting by Agnieszka Flak; Editing by Toni Reinhold)