Integrated Services Digital Network (ISDN);Facsimile group 4 class 1 equipment on the ISDN;End-to-end protocol tests (Interconnection capability testing) (Endorsed by Asociación Española de Normalización in April of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300155 Ed1 |
