ITU-T E.162 SPANISH-1995 Capability for Seven Digit Analysis of International E.164 Numbers at Time T - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 2) 5 pp
Recommendation E.165 sets a specific time (Time T) after which all ISDNs and PSTNs can use the full capability of Recommendation E.164:"Numbering plan for the ISDN era".
ITU-T E.162 SPANISH-1995 Referenced Document
ITU-T E.164 The international public telecommunication numbering plan (Study Group 2)*, 2024-04-19 Update
ITU-T E.165 Timetable for Coordinated Implementation of the Full Capability of the Numbering Plan for the ISDN Era (Recommendation E.164) (Study Group II)
ITU-T E.162 SPANISH-1995 history
1995ITU-T E.162 SPANISH-1995 Capability for Seven Digit Analysis of International E.164 Numbers at Time T - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 2) 5 pp