Integrated Services Digital Network (ISDN). Public Switched Telephone Network (PSTN). Virtual Card Calling (VCC). Service description
STANDARD published on 1.9.2002
Designation standards: STN ETS 300711
Classification mark: 870711
Catalog number: 92374
Publication date standards: 1.9.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN