ETSI ETR 004-ed.1

Business Telecommunications (BT); Overall transmission plan aspects of a private branch network for voice connections with access to the public network

NORMA vydaná dňa 31.8.1990

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The information about the standard:

Designation standards: ETSI ETR 004-ed.1
Publication date standards: 31.8.1990
The number of pages: 69
Approximate weight : 207 g (0.46 lbs)
Country: European technical standard
Kategória: Technické normy ETSI