Virgin, the UK's fifth-largest mobile phone operator, is the first of the phone companies to consider taking the plunge and offering such highly profitable content to its users.
The UK's largest mobile phone operator Vodafone is also thought to be considering offering soft porn. However, all major operators are concerned about the impact such services could have on their brands.
Porn on the web has already proved a massive money spinner and it is seen as offering mobile phone operators a potential way of earning back the huge investments they paid to win 3G licences.
Last year, Hutchinson 3G appointed a "head of adult services" to examine ways that adult content might be offered to users. It is understood that gambling and soft porn is being considered.
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