Integrated Services Digital Network (ISDN);Digital Subscriber Signalling System No. one (DSS1) protocol;Data link layer;Part 3: Frame relay protocol specification (Endorsed by Asociación Española de Normalización in August of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300402-3 Ed1 |
