Integrated Services Digital Network (ISDN); Connected Line Identification Restriction (COLR) 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 speci
Document status: Active
Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)
Document status: Active
Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)
Document status: Active
Integrated Services Digital Network (ISDN); Routing in support of ISUP Version 1 services
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Document status: Active
Amendment 2 to - Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Document status: Active
Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Document status: Active
Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control; Specification Description Language (SDL) diagrams
Document status: Active
Integrated Services Digital Network (ISDN); Support of CCITT Recommendation X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs) by an ISDN Synchronous and asynchronous terminal adaptation functions
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects
Document status: Active
