ETSI EN 300138-1-V1.3.4

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

STANDARD published on 30.6.1998

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The information about the standard:

Designation standards: ETSI EN 300138-1-V1.3.4
Publication date standards: 30.6.1998
The number of pages: 31
Approximate weight : 93 g (0.21 lbs)
Country: European technical standard
Category: Technical standards ETSI