Attachments to Public Switched Telephone Network (PSTN) - General technical requirements for equipment connected to an analogue subscriber interface in the PSTN - Chapter 3: Ringing signal characteristics
NORM herausgegeben am 1.5.1997
Designation standards: ÖNORM ETS 300001-3
Note: UNGÜLTIG
Publication date standards: 1.5.1997
The number of pages: 39
Approximate weight : 117 g (0.26 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM