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ETSI EN 301 937
- Draft Version 1.1.1Services and Protocols for Advanced Networks (SPAN); Number portability for ETNS services
- standard by European Telecommunications Standards Institute, 03/01/2002
- Publisher: ETSI
$11.00$21.51
To specify number portability between Service Provider (SP) i.e. a customer moving from one pan-European ETNS Service Provider (SP) to another and retaining a European Number for that service.
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