Integrated Services Digital Network (ISDN); Calling Line Identification Restriction (CLIR) supplementary service; service description; English version ETS 300090:1992
Integrated Services Digital Network (ISDN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description (Endorsement of the English version EN 300090 V 1.2.1 (2000-12) as German Standard)— 1 стр.
Telecommunications Management Network (TMN) - Functional specification of Customer Administration (CA) on the Operations System/Network Element (OS/NE) interface - Part 1: Single line configurations
