ITU E.331:1991
ITU E.331:1991 Minimum User-terminal Interface For A Human User Entering Address Information Into An Isdn Terminal
Table of Contents
1General1.1Intent
1.2Background
1.3Underlyingprinciples
2Minimumterminalcapability
3Numberingplanidentification(NPI)
4Typeofnumber(TON)
5Sub-addressandendofdialing
6Carrierselection
7Summary
ANNEXA-Alphabeticallistofabbreviationsusedinthis
Recommendation)/Prev570R/Parent540R/A580R