| 摘要 |
The invention relates to a radio device for requesting and receiving a radio network service from at least one cellular radio network, comprising a multi-domain monitoring unit, which is configured to determine, while access to a first one of the radio network domains is maintained, first availability information regarding the requested radio network service from the first radio network domain and second availability information regarding the requested radio network service from at least one second radio network domain of the set of radio network domains, and provide at its output, at least upon determination that the first availability information indicates non-availability of the requested radio network service from the first radio network domain, an availability output indicative at least of those second radio network domains with determined current availability of the requested radio network service. |
