Secure andseamlessroamingbetweeninternalandexternalnetworks, switchingbetweendouble and tripletunnel, andprotectingcommunication between home agent and mobilephone.
Instead he started his next company devoted to bringing down roaming tariffs for mobile-phone users in Switzerland, where the labour laws are less of a deterrent.
Any customers who do not sign up for a so-called Eurotariff will automatically be put on one from 30 September, unless they are already on another special roaming deal from their mobilephone operator.