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Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Call transfer supplementary service [ISO/IEC 13869 (1995) modified] (Endorsed by Asociación Espanola de Normalización in May of 2022.)
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STANDARD published on 1.5.2022
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Designation standards: UNE-ETS 300261ED2
Publication date standards: 1.5.2022
SKU: NS-1126823
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Latest update: 2026-11-14 (Number of items: 2 210 114)
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