Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;Direct Dialling In (DDI) supplementary service;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Española de Normalización in December of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300661-2 Ed1 |
