SS-ETS-300606 › Complete Document History
Digital cellular telecommunications system (Phase2) - Signalling interworking for supplementary services - (GSM 09.11)
Complete Current Edition: |
EDITION 2 - ENGLISH LANGUAGE EDITION - Jan. 24, 1997
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Obsolete Revision Information: |
EDITION 1 - ENGLISH LANGUAGE EDITION - June 30, 1995
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