ETSI EN 302 097
- Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP); Enhancement for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]
- standard by European Telecommunications Standards Institute, 09/01/2000
- Publisher: ETSI
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