Private Telecommunications Network (PTN). Signalling at the S-reference point. Generic keypad protocol for the support of supplementary services
STANDARD published on 1.4.1994
Designation standards: STN ETS 300190
Classification mark: 870190
Catalog number: 71487
Publication date standards: 1.4.1994
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Slovak technical standard
Category: Technical standards STN