SYSTEM SPECIFIC FUNCTION CONTROL IN A MOBILE RADIO DEVICE

摘要

A radio device, such as a personal computer with a radio modem (1) or a cordless telephone (10) arranged to operate on first and second radio communications systems (3, 4, 14, 15). The device has registration means (37) for registering on the first and second systems respectively for transmission or receipt of traffic on that system and user actuation means (6, 7, 20) for initiating an operation of the device, wherein the operation initiated is dependant on the system on which the device is registered.