Integrated Services Digital Network (ISDN);Signalling System No.7;Message Transfer Part (MTP);Test specification [ITU-T Recommendations Q.781 and Q.782 (1993), modified] (Endorsed by Asociación Española de Normalización in June of 2022.)
| AENOR | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Name | UNE-ETS 300336 Ed1 |
