A method and a system for automated call diversion of calls intended for a
mobile radio device to a second network connection. A detection module of
a customer premises equipment detects the mobile radio device as soon as
it is located in the sphere of influence of an interface between the
mobile radio device and the customer premises equipment, whereby
identification data of the mobile radio device are transmitted via the
interface. Based on the identification data of the mobile radio device,
call diversion of calls intended for the mobile radio device to the
second network device is activated as long as the mobile radio device is
located in the sphere of influence of the interface between the mobile
radio device and the customer premises equipment.