Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;User-to-Use
r Signalling (UUS) supplementary service;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Española de Normalización in December of 2022.)
Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;User-to-User Signalling (UUS) supplementary service;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Española de Normalización in December of 2022.)
