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Standard [CURRENT]

OENORM EN 302097 V 1.2.2:2000-12-01

Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - ISDN User Part (ISUP) - Enhancements for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]

Publication date
2000-12-01
Original language
English
Pages
23

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Publication date
2000-12-01
Original language
English
Pages
23

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