ITU-T I.414-1997 Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Series I: Integrated Services Digital Network ISDN User-Network Interfaces Study Group 13; 20pp
In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication
administration and a recognized operating agency.
ITU-T I.414-1997 history
1997ITU-T I.414-1997 Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Series I: Integrated Services Digital Network ISDN User-Network Interfaces Study Group 13; 20pp
1993ITU-T I.414-1993 (WITHDRAWN) Overview of Recommendations on Layer 1 for ISDN and B-ISDN Customer Accesses - Integrated Services Digital Network (ISDN); ISDN User-Network Interfaces (Study Group XVIII) 9 pp