(1. Approach overview MC-SMS, a carrier-class short message channel of Beixin Zhengtong, is a set of carrier-class short message channels built on the basis of the lowest-level communication protocol framework, which is a set of full-protocol, multi-link, cross-channel, cluster-distributed, and low-level communication protocols. There are qualitative differences in the short message channels, which are used in value-added service providers (SP), telecom channel operators and agents at all levels, and various large and medium-sized telecom channel users.)
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