Integrated Services Digital Network (ISDN); Completion of Calls to Busy Subscriber (CCBS) supplementary service - Service description; English version ETS 300357:1995
€77.20
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 1: Protocol specification [ITU-T Q.931 (1993), modified]; English version ETS 300403-1:1995
€145.14
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 2: Specification and Description language (SDL) diagrams; English version ETS 300403-2:1995
€190.65
Open Systems Interconnection - Provision of the OSI connection-mode network service by packet mode terminal equipment connected to an integrated services digital network (ISDN); identical with ISO/IEC 9574:1992
€84.58
Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Part 1: Electroacoustic characteristics for handset telephony function when using Pulse Code Modulation (PCM) encoding; English version I-ETS 300302-1:1994
€56.17
Integrated Services Digital Network (ISDN); Call Forwarding Busy (CFB) supplementary service - Service description; English version ETS 300199:1994
Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description; English version ETS 300201:1994
Integrated Services Digital Network (ISDN) - Diversion supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification; English version ETS 300207-1:1994
€157.10
Integrated Services Digital Network (ISDN) - Primary rate user-network interface - Layer 1 specification and test principles; English version ETS 300011:1992/A1:1994
€34.30
Integrated Services Digital Network (ISDN) - Basic user-network interface - Layer 1 specification and test principles; English version ETS 300012:1992/A1:1994
€41.78
Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; English version ETS 300153:1992/A1:1995
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) - Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (basic access, user); English version I-ETS 300305:1994
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) - Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (primary rate access, user); English version I-ETS 300306:1994
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) - Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (basic access, network); English version I-ETS 300307:1994
€63.27
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) - Protocol Implementation Conformance Statement (PICS) proforma specification for data link layer protocol for general application (primary rate access, network); English version I-ETS 300308:1994
