Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification

Standard published on 30.6.1998

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification

Standard published on 30.8.1996

Integrated Services Digital Network (ISDN); Generic keypad protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification

Standard published on 30.6.1998

Terminal Equipment (TE); Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT Recommendation X.25 (1984) interface; Requirements applicable to DTEs subscribing to Link Access Procedure Balanced (LAPB) extended (modulo 128) operation

Standard published on 30.4.1991

Terminal Equipment (TE); Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT Recommendation X.25 (1984) interface; Requirements applicable to DTEs subscribing to Multilink operation

Standard published on 30.4.1991

Integrated Services Digital Network (ISDN); User-network interface data link layer specification; Application of CCITT Recommendations Q.920/I.440 and Q.921/I.441

Standard published on 27.9.1991

Equipment Engineering (EE); Radiated emission testing of physically large telecommunication systems

Standard published on 10.1.1994

ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Radiated emission testing of physically large telecommunication systems

Standard published on 9.4.1999

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; Service description

Standard published on 30.3.1992

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; Service description

Standard published on 15.2.1998