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Private Telecommunication Network (PTN); Signalling at the S-reference point; Identification supplementary services
STANDARD published on 22.12.1992
Designation standards: ETSI ETS 300191-ed.1
Publication date standards: 22.12.1992
SKU: NS-312309
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-08-22 (Number of items: 2 213 186)
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