Q3 interface exchange at the Local Exchange (LE) for line and circuit testing of analogue and Integrated Services Digital Network (ISDN) suscriber lines - Part 1 : Q3 interface specification - Télécommunications
€144.60
Integrated Services Digital Network (ISDN). User-to-User Signalling (UUS) supplementary service. Digital Subscriber Signalling System number one (DSS1) protocol. Part 1 : protocol specification. - Télécommunications
€51.24
Integrated Services Digital Network (ISDN). Signalling System n° 7 ISDN User Part (ISUP) version 2 for the international interface . Part 18 : completion of Calls to Busy Subscriber (CCBS) supplementary service. - Télécommunications
€141.33
Integrated Services Digital Network (ISDN). Application of the ISDN user part (isup) of CCITT signalling system number 7 for international ISDN interconnections (isup version 1). - Télécommunications
Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No one (DSS1) protocol - Part 3 : Test Suite Structure and Test Purposes (TSS&TP) specification for the user - Télécommunications
€122.38
Integrated Services Digital Network (ISDN) - Signalling System N°7 - Message Transfer Part (MTP) to support international interconnection - Part 1 : protocol specification (V1.3.2) - Télécommunications
€64.01
Industrial communication networks - Network and system security - Part 3-3 : system security requirements and security levels
€183.00
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).
Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 33: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for basic services (Endorsement of the English version EN 300356-33 V4.1.1 (2003-07) as German standard).
Integrated Services Digital Network (ISDN) - Signalling System No. 7 (SS7); Signalling Connection Control Part (SCCP) (connectionless and connection-oriented class 2) to support international interconnection - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300009-2 V 1.4.1 (2002-04) as German standard).
Integrated Services Digital Network (ISDN); Signalling System No. 7 (SS7); ISDN User Part (ISUP) version 4 for the international interface - Part 2: ISDN supplementary service (ITU-T Recommendation Q.730 (1999), modified) (Endorsement of the English version EN 300356-2 V 4.2.1 (2002-07) as German standard).
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; ATM transfer capability and traffic parameter indication - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 301068-3 V 1.2.1 (2002-08) as German standard).
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; ATM transfer capability and traffic parameter indication - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 301068-4 V 1.2.1 (2002-08) as German standard).
