SS-EN-300207-1 › Complete Document History
Integrated Services Digital Network (ISDN) - Diversion supplementary services - Digital Subscriber Signalling System No. One (DSS1) - Part 1: Protocol specificaiton
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EDITION 3 - ENGLISH LANGUAGE EDITION - June 21, 2001
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EDITION 2 - ENGLISH LANGUAGE EDITION - May 5, 2000
EDITION 1 - ENGLISH LANGUAGE EDITION - Nov. 27, 1998 |