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ETS 300657:1997-05

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1) - Supplementary services (ITU-T Q.2730:1995, modified)

Publication date
1997-05
Original language
English
Pages
7
Publication date
1997-05
Original language
English
Pages
7

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