GB/T 17154.1-1997

ISDN user-network interface layer 3 specification and testing method for basic call control--Part 1:Layer 3 specification for basic call control

STANDARD published on 16.12.1997

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The information about the standard:

Designation standards: GB/T 17154.1-1997
Publication date standards: 16.12.1997
Country: Chinese technical standard
Category: Technical standards GB