Plum launched its mobile phone service low cost line rentals and calls to business users. Analysis has shown that the majority of customers with bundled packages do not use all their minute allocations and some pay penalties for exceeding their monthly allowances. Plum have made it simple for businesses to control their mobile spend by stripping out the complicated packages and providing a transparent billing process. New customers have the option of retaining their existing numbers or gaining new numbers and can retain the same handsets or have upgrade to new handsets. For customers requiring access to mail and data on the move, Plum provide a range of hand held data terminals which can be used with their mobile network. The Plum mobile service is now available to all existing Plum customers.