Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call transfer supplementary service [ISO/IEC 13869 (2003), modified]

Standard published on 5.1.2004

Integrated Services Digital Network (ISDN); Syntax-based Videotex teleservice; Service description

Standard published on 23.8.1993

Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Service description

Standard published on 1.3.1994

Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Service description

Standard published on 22.3.1996

Integrated Services Digital Network (ISDN); Videotelephony teleservice; Service description

Standard published on 1.3.1994

Integrated Services Digital Network (ISDN); Telephony 7 kHz teleservice; Functional capabilities and information flows

Standard published on 1.2.1994

Integrated Services Digital Network (ISDN); Videotelephony teleservice; Functional capabilities and information flows

Standard published on 1.2.1994

Integrated Services Digital Network (ISDN); Telephony 7 kHz and videotelephony teleservices; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

Standard published on 1.2.1994

Integrated Services Digital Network (ISDN); Telephony 7 kHz and videotelephony teleservices; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

Standard published on 15.3.1996

Integrated Services Digital Network (ISDN); Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

Standard published on 29.4.1998