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PSTN网络演进步伐的加快,接入网的盛行,NGN的逐渐成熟,标志着电信网络已经进入了巨大的变革时期。介绍了上海贝尔的接入网关(AG)设备及阐述了现行PSTN网络改造为AG后的优势,并简单讲解了AG改造的实施方案。
The accelerated evolution of the PSTN network, the prevalence of access networks and the gradual maturity of NGN signals that the telecommunications network has entered a period of great change. Introduced Shanghai Bell Access Gateway (AG) equipment and explained the advantages of the existing PSTN network transformation to AG, and briefly explained the implementation plan of AG reconstruction.