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ETSI EN 301 937
M00001025
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ETSI EN 301 937 Services and Protocols for Advanced Networks (SPAN); Number portability for ETNS services
standard by European Telecommunications Standards Institute, 10/01/2002
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Full Description
The scope of the present document is to investigate aspects related to number portability for ETNS services using aEuropean Telephony Number Space (ETNS). In this study the focus is on the number portability between ServiceProviders (SP) i.e. a customer can move from one ETNS Service Provider (SP) to another and retain a EuropeanNumber for that service.The present document describes the main technical requirements and features of number portability in the context of anETNS service and discusses the technologies available today and in the near future for realizing number portability inan efficient way whilst trying as much as possible to minimize the impacts on the network.