ITU I.241.1:1988
ITU I.241.1:1988 Telephony
Table of Contents
1Telephony1.1Definition
1.2Description
1.3Procedures
1.4Networkcapabilitiesforcharging
1.5Inter-workingrequirements
1.6Interactionwithsupplementaryservices
1.7Attributesandvaluesofattributesofthe
telephonyservice
1.8RecommendedsupportoftelephonybyanISDN
1.9Dynamicdescription