Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the
Document status: Active
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Service Description
Document status: Active
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Functional capabilities and information flows
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Corrigendum to - Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol Specification
Document status: [ Withdrawn ]
Corrigendum to - Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol Specification
Document status: [ Withdrawn ]
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
Document status: Active
Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Service description
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Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Service Description
Document status: Active
Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Functional capabilities and information flows
Document status: Active
