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
Integrated Services Digital Network (ISDN) - Subaddressing (SUB) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
€73.30
Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Integrated Services Digital Network (ISDN) - Calling Line Identification Presentation (CLIP) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
€91.50
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 - Télécommunications
Integrated Services Digital Network (ISDN) - Connected Line Identification Presentation (COLP) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Integrated Services Digital Network (ISDN) - Connected Line Identification Restriction (COLR) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Integrated Services Digital Network (ISDN) - Advice of Charge (AOC) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Integrated Services Digital Network (ISDN) - Three Party (3PTY) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation Conformance Statement (PICS) proforma specification - Télécommunications
Terrestrial trunked radio (TETRA) - Voice plus data (V+D) - Part 10 : supplementary services stage 1 - Sub-part 10 : priority call (PC) - Télécommunications
€59.33
Terrestrial trunked radio (TETRA) - Voice plus data (V+D) - Part 10 : supplementary services stage 1 - Sub-part 17 : include call (IC) - Télécommunications
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10 : supplementary services stage 1 - Sub-part 21 : Ambience Listening (AL) (V1.2.1) - Télécommunications
€74.00
Terrestrial Trunked Radio (TETRA) - Voice plus data (V+D) - Part 10 : supplementary services stage 1 - Sub-part 4 : Call Forwarding (CF) (V1.3.1) - Télécommunications
€94.50
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Name identification supplementary service (V1.3.1) - Télécommunications
€51.24