| 摘要 |
A method of controlling the allocation of transmission resources to wireless terminals within a radio access network, which resources are required for the provision of an IP Multimedia service to the terminals. The method comprises, in the event of a requirement to change the allocation of transmission resources to a given wireless terminal, sending a resource allocation request from a control node of the IP Multimedia Subsystem to the radio access network, the request causing a resource control node of the radio access network to change the allocation of access network resources to the wireless terminal.
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