Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
Document status: Active
Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network
Document status: Active
Integrated Services Digital Network (ISDN); Three-Party (3PTY) 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 network
Document status: Active
Private Telecommunication Network (PTN); Addressing
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Private Telecommunication Network (PTN); Signalling at the S-reference point; Generic keypad protocol for the support of supplementary services
Document status: Active
Private Telecommunication Network (PTN); Signalling at the S-reference point; Identification supplementary services
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Amendment 1 to - Private Telecommunication Network (PTN); Signalling protocol at the S-reference point; Circuit mode basic services
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Private Telecommunication Network (PTN); Signalling protocol at the S-reference point; Circuit mode basic services
Document status: Active
Satellite Earth Stations and Systems (SES); The interconnection of Very Small Aperture Terminal (VSAT) systems to Packet Switched Public Data Networks (PSPDNs)
Document status: Active
Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
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