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signalling link (SLK)

A signallinglink (SLK) is a connection in the central signalling channel (ZZK) between the signalling transfer points (STP), which operate as signalling nodes, and the data terminal equipment. Signalling messages are exchanged over this link using signalling units (SU). In SS7 signaling, there are three different signaling units: the Message Signal Unit (MSU), Fill-in Signal Unit (FISU) and the Link Status Signal Unit (LSSU).

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Englisch: signalling link - SLK
Updated at: 02.09.2019
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