ČSN ETS 300141-4-ed.1 (877032)

Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user

STANDARD published on 1.7.1997

Czech preface only -
Print design (1.30 USD)

The information about the standard:

Designation standards: ČSN ETS 300141-4-ed.1
Classification mark: 877032
Catalog number: 22266
Publication date standards: 1.7.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN