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DIN ETS 300685 : 1997 Title: 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); English version ETS 300685:1997
Year: 1997 Publisher: DIN Availability: Within 1-2 working days
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