ITU Y.2261:2006
ITU Y.2261:2006 Pstn/isdn Evolution To Ngn Describes principle aspects of evolving PSTN/ISDN to NGN. It also describes evolution of transport parts of PSTN/ISDN to NGN.
Table of Contents
1Scope2References
3Definitions
4Abbreviations
5Conventions
6PSTN/ISDNevolutiontoNGN
7AspectstoconsiderwhenevolvingtoNGN
7.1Transport
7.2Signallingandcontrol
7.3Management
7.4Services
7.5Operation,administrationandmaintenance(OAM)
7.6Naming,numberingandaddressing
7.7Accounting,chargingandbilling
7.9Callrouting
8Servicerequirementsbynationalregulatorybodies
9EmergencytelecommunicationsinNGN
10Securityaspectsofevolution
AppendixI-Examplesofnetworkevolutionscenarios
I.1CorenetworkevolutiontoNGN
I.2Accessnetworkevolution
I.3Signallingandcontrolscenarios
I.4Managementscenarios
I.5Servicesevolutionscenarios
AppendixII-ExamplesofPSTN/ISDNserviceevolution
AppendixIII-Billingsystemevolutionscenarios
BIBLIOGRAPHY