SS-ETS-300567 | Digital cellular telecommunications system (Phase2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83) | Document Center, Inc.

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Digital cellular telecommunications system (Phase2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83)

Complete Current Edition:

EDITION 2 - ENGLISH LANGUAGE EDITION - Aug. 4, 1997

Obsolete Revision Information:

EDITION 1 - ENGLISH LANGUAGE EDITION - June 30, 1995