Signalling system number 7 network services part and X.25: A comparative study

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Abstract

Despite the clear-cut differences in the stated aims, Signalling System Number 7 Network Services Part and X.25 are sometimes used interchangeably. We present in this paper a comparative study that shows that although many aspects of the two standards are quite similar, significant dissimilarities do exist. Caution is therefore required whenever the use of any of the two standards, in place of the other, is contemplated.

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