ATIS 1000113.2015(R2020)
Current
Current
The latest, up-to-date edition.
Signaling System No. 7 - ISDN User Part
Available format(s)
Hardcopy
Language(s)
English
Published date
01-01-2020
The Integrated Services Digital Network (ISDN) User Part defines the protocol which supports the signaling functions required to provide voice and non-voice services in an Integrated Services Digital Network.
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