紧急通信系统设计用于限制无线通信服务的访问，确保应急服务人员的通信不可中断。系统通过将基站配置为响应至少一个服务优先级组，并由中央应急服务机构动态分配服务优先级给应急人员。优先呼叫接入码由中央机构提供给应急人员，以保密方式维护，确保他们能够顺利使用无线通信设施。
摘要：
The priority communication system provides the capability to restrict access to wireless communications services to emergency service personnel, such that their access to wireless communication services is not interruptible. This is accomplished by provisioning the cell sites of a wireless communications system to respond to at least one service priority grouping, with emergency service personnel being assigned a selected service priority by a centralized emergency services agency. The service priority coverage area and emergency service personnel assigned the service priority are defined on a dynamic basis by the centralized emergency services agency and are indicated by a priority call access code that is transmitted to the emergency service personnel. In order to ensure the proper operation of the priority communication system, the priority call access codes are maintained in secrecy to thereby enable emergency service personnel to have access to wireless communications facilities.
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