ČSN ETS 300712-ed.1 (873591)

Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Premium Rate (PRM) service - Service description

STANDARD published on 1.1.1998

Czech preface only -
Print design (1.30 USD)

The information about the standard:

Designation standards: ČSN ETS 300712-ed.1
Classification mark: 873591
Catalog number: 51136
Publication date standards: 1.1.1998
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN