| 摘要 |
Transport bearers are set in advance before the occurrence of call setting and information necessary for specifying transport bearers is stored in each of the transport bearer management units of a Node B and an RNC. When setting a call, the use of transport bearers that have been set in advance shortens the procedure for setting the transport bearer. As a result, the time required from the origination of call by a UE to the actual reception of the service can be reduced.
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