Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Path replacement additional network feature [ISO/IEC 13874 (1995) modified]
Document status: Active
Private Telecommunication Network (PTN); Specification, functional models and information flows; Call transfer supplementary service
Document status: Active
Private Integrated Services Network (PISN); Specification, functional models and information flows; Call transfer supplementary service
Document status: Active
Private Telecommunication Network (PTN); Inter-exchange signalling protocol; Call transfer supplementary service
Document status: Active
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call transfer supplementary service [ISO/IEC 13869 (1995) modified]
Document status: Active
Integrated Services Digital Network (ISDN); Syntax-based Videotex teleservice; Service description
Document status: Active
Amendment 1 to - Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Videotelephony teleservice; Service description
Document status: Active
Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Functional capabilities and information flows
Document status: Active
