Being the boss of a mobile operator isn't a job for the faint-hearted."We are fundamentally repositioning our business," he says. "The mobile industry has been through an amazing adolescence. But like the teenage years, it was a period of wildness and irresponsibility." Adulthood, he says, brings difficult decisions: "We know margins will be tough. We know it will be difficult to extract customers from other operators. We know that we are all fighting for the high-value customers. Given all these pressures, we have taken a very good look at our business."Jones denies that the review and redundancies are as a result of pressure from One2One's parent company Deutsche Telekom. He admits, however, that the review is designed to reduce costs By how much? "We're not disclosing that.

Suffice to say we're talking hundreds of millions – even up to billions of pounds. It is very significant."One2One's move to adulthood will be marked next year with a name change to T-Mobile, fitting in with Deutsche Telekom's other mobile businesses. This will herald the launch of a new service called GPRS, which will allow mobile users access to the internet at relatively quick speeds. GPRS will become the next battleground for One2One, Vodafone, Orange and mmO2.Keen to avoid it suffering the same fate as the much-hyped but spectacularly poor WAP, One2One has delayed its GPRS launch.

"If you had asked me six months ago, then I would have said about now," says Jones. "The launch will now be in the new year." The reason is that the applications and handsets, while currently available, are not "so convincing that we are ready to say: 'Hey, folks, this is a step-change in your mobile experience'."Jones joined as boss of One2One in June 2000 after moving from US mobile company Omnipoint. Bringing his wife and children with him to the UK, he arrived when One2One still had a reputation for operating a poor-quality network. Jones argues that today One2One's voice network, after a period of heavy investment, is as good as its three rivals.