ITU Q.4:1988
ITU Q.4:1988 Automatic Switching Functions For Use In National Networks
Table of Contents
1Preamble2Automaticswitchingfunctionsforuseinnational
networks
3RequirementsforISDN
4Requirementsotherthanautomaticswitchingfunctions
5Technicalcooperationpossibilities
6Definitionofrequirementsintermsofservicesand
facilities
ANNEXA-Listofpossiblesubscriberservicesand
facilities