ETSI EN 300 093-2

Integrated Services Digital Network (ISDN); Calling Line Identification Restriction (CLIR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification Edition: 1.2.4
European Telecommunications Standards Institute / 01-Jun-1998 / 19 pages