| 摘要 |
At the access control gateway (105) of a communications system (100) sharing common resources and providing telephone and dispatch services, a service request queue (301) is provided where requests are queued when communication resources are not available. Queuing of dispatch requests does not differ from that used in current dispatch-only systems where all requests are queued for an indeterminate period of time when resources are not available. Telephone service requests, however, are queued for a finite period of time. Should resources become available during the finite period of time, the resources are provided and the request is granted. If resources do not become available before the finite period of time expires then the request is removed from the queue and terminated.
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