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特服汇按中心需要汇接多种特眼业务、中继合群并具有科学的排队功能,以提高中继资源及其它资源的利用率.系统容量应能不断平滑地扩充,以适应业务种类及业务量的持续增加.汇按中心应能提供多种接口,以保证与各种不同系统的连接,同时须具有开放
Special service exchange according to the center need to meet a variety of special eye business, trunk group and has a scientific queue function, in order to improve the utilization of relay resources and other resources.System capacity should be able to continue to smoothly expand to adapt to business types and Continued increase in business volume. Exchange center should be able to provide a wide range of interfaces to ensure that with a variety of different systems, at the same time must be open