| 摘要 |
For utilization of advantage of mobile packet communications to have an improved efficiency in use of radio channel resources, while limiting increase in transmission delay to prevent degradation of quality, a memory ( 33 ) is configured to store information on currently set packet calls, a new call decider ( 32 ) is implemented, upon reception of a setup request of a packet call transmitted from a mobile station ( 10 ), to make a decision depending on the information stored in the memory, as to whether or not the packet call setup-requested is a new call, and an admission concluder ( 32 ) is implemented, upon a decision for the packet call to be the new call, to conclude whether or not to admit the packet call.
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