Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Calling Line Identification Restriction (CLIR) supplementary service - Part 4 : abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (V1.3.1) - Télécommunications
€64.01
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Three-Party (3PTY) supplementary service - Part 6 : abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V1.4.1) - Télécommunications
€48.87
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Close User Group (CUG) supplementary service - Part 6 : abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V1.5.1) - Télécommunications
€73.30
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Close User Group (CUG) supplementary service - Part 5 : Test Suite Structure and Test Purposes (TSS&TP) specification for the network (V3.1.1) - Télécommunications
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. (DSS1) protocol - Call Waiting (CW) supplementary service - Part 6 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V.1.4.1) - Télécommunications
€66.25
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) - Interworking between Session Initiation Protocol (SIP) and Bearer Independent Call Control (BICC) Protocol or ISDN User Part (ISUP) (V1.1.1) - Télécommunications
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 (SS7) protocols - Signalling application for the mobility management service on the alpha interface - Part 6 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (V1.1.1) - Télécommunications
€61.00
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 7 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the general protocol (V1.4.5) - Télécommunications
€94.50
Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 (SS7) ISDN User Part (ISUP) - (ITU-T Recommendation Q.850 (1998) with addendum modified) (V1.3.1) - Télécommunications
€40.69
Telecommunications Management Network (TMN) - Functional specification of Customer Administration (CA) on the Operations System/Network Element (OS/NE) interface - Part 1 : single line configurations (V1.2.1) - Télécommunications
€162.22
Safety aspects for xDSL signals on circuits connected to telecommunication networks (DSL : Digital Subscriber Line)
€68.50
Integrated Services Digital Network (ISDN) - Application of the ISDN User Part (ISUP) of ITU-T Signalling System No. 7 (SS7) for international ISDN interconnections (ISUP version 1) - Amendment 1 : international Emergency Preference Scheme (IEPS) service (V1.2.1) - Télécommunications
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Message Transfer Part (MTP) to support international interconnection - Part 1: Protocol specification [ITU-T Recommendations Q.701, Q.702, Q.703, Q.704, Q.705, Q.706, Q.707 and Q.708 modified] (Endorsement of the English version EN 300008-1 V1.3.2 (2003-06) as German standard).
€16.45
Integrated Services Digital Network (ISDN) - Application of the ISDN User Part (ISUP) of ITU-T Signalling System No. 7 (SS7) for international ISDN interconnections (ISUP version 1); Amendment 1: International Emergency Preference Scheme (IEPS) service [ITU-T Recommendation Q.767 Amendment 1 (2002), modified] (Endorsement of the English version EN 300121 V1.2.1 (2003-07) as German standard).
Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999), modified] (Endorsement of the English version EN 300356-22 V1.1.1 (2003-07) as German standard).