Attribute Technique for the Characterization of Telecommunication Services Supported by an ISDN and Network Capabilities of an ISDN (Study Group XVIII) 19 pp
As a consequence of a reform process within the International Telecommunication Union (ITU), the CCITT
ceased to exist as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was
created as of 1 March 1993. Similar