Integrated Services Digital Network (ISDN);Multiple Subscriber Number (MSN) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Española de Normalización in February of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300052-2 Ed1 |
