| 摘要 |
<p>Method and arrangement for communication terminal, such as cellular phone, for communication through two or more communication networks with different service areas, with a receiving and transmitting circuit 18 for reception of radio signals with different frequencies, and with an arrangement for switching between operation of different networks, respectively. In some areas, there are restrictions for communication through one of the networks. It is proposed to arrange a circuit 21 for monitoring the incoming signal, where this circuit, when the incoming signal from another network, in a list of preferred networks, exceeds a certain level, provides a control signal that blocks reception and transmission through the first network.</p> |
