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伴随着新线开通,汇接局的数字中继接口所剩无几,无法再接入新线。以广州地铁公园前站Hipath4000公务交换系统为例,采用软交换技术,在现有程控交换机上增加软交换设备,极大提高了系统容量,解决接口不足的问题。最后,总结项目改造的优点,以及可能存在的风险及预防措施。
With the opening of the new line, there is not much remaining digital trunking interface for the tandem exchange and no new line can be accessed. Taking the Hipath4000 official exchange system in Guangzhou Metro Park as an example, the softswitch technology is used to add softswitch equipment to existing program-controlled switches, which greatly improves the system capacity and solves the problem of insufficient interfaces. Finally, summarize the advantages of the project transformation, as well as the possible risks and preventive measures.