We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
Private Telecommunication Network (PTN); Inter-exchange signalling protocol Supplementary service interactions; ECMA-QSIG-IA
STANDARD published on 26.9.1995
Designation standards: ETSI ETS 300427-ed.1
Note: WITHDRAWN
Publication date standards: 26.9.1995
SKU: NS-312820
The number of pages: 47
Approximate weight : 141 g (0.31 lbs)
Country: European technical standard
Category: Technical standards ETSI
Do you want to be sure about the validity of used regulations?
We offer you a solution so that you could use valid and updated legislative regulations.
Would you like to get more information? Look at this page.
Latest update: 2025-05-08 (Number of items: 2 198 869)
© Copyright 2025 NORMSERVIS s.r.o.