ITU E.167:1988
ITU E.167:1988 Isdn Network Identification Codes
Table of Contents
1General2Usage
2.1Closedusergroups
2.2X.75utilities
3FormatoftheinterimISDNnetworkidentificationcode
3.1Definition
3.2DigitI
3.3Additionaldigits
3.4Otherformats
3.5Administration
3.6Durationoftheinterimdefinition
4Furtherusage
5FormatofthepermanentISDNnetworkidentificationcode