ITU-T E.165-1988 Timetable for Coordinated Implementation of the Full Capability of the Numbering Plan for the ISDN Era (Recommendation E.164) - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp
Recommendation 1.330 describes ISDN numbering and addressing principles, while Recommendation
E.164 describes the numbering plan for the ISDN era. Recommendation E.164 also identifies the need for
interworking arrangements between ISDN and present dedic
ITU-T E.165-1988 history
1988ITU-T E.165-1988 Timetable for Coordinated Implementation of the Full Capability of the Numbering Plan for the ISDN Era (Recommendation E.164) - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 2 pp