This paper designs service logic and information flow for the IN service enhancement, which increase call completion rates in wireless intelligent network environment. In order to apply this logic to mobile services, we propose the Dynamic Queue Manager applied call queuing service feature in the Service Control Point (SCP). In case of wireless IN service subscribers, Home Location Register (HLR) handles the supplementary service registration flags to notify the Queue Manager of the corresponding service subscribers mobility. In addition, we present the operation of Queue Manager and the dynamic queue management mechanism, which dynamically manages the queue size based on the parallel server queuing model as the wireless subscribers roam the service groups due to their mobility characteristics.
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