ETSI PRETS 300 685-1996 Broadband Integrated Services Digital Network (B-ISDN); Usage of Cause and Location in Digital Subscriber Signalling System No. Two (DSS2) and Signalling System No.7 B-ISDN User Part (B-ISUP) (ITU-T Recommendation Q.2610 (1995), Modified) was changed to ETSI ETS 300 685-1997 Broadband Integrated Services Digital Network (B-ISDN); Usage of Cause and Location in Digital Subscriber Signalling System No. Two (DSS2) and Signalling System No.7 B-ISDN User Part (B-ISUP).
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