SS-ETS-300567 › Digital cellular telecommunications system (Phase2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83)
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Digital cellular telecommunications system (Phase2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83)
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33.020 (Telecommunications in general Including infrastructure)
Designation Name
SS-ETS 300567
Revision Level
EDITION 2
Status
Current
Publication Date
Aug. 4, 1997
Language(s)
English
International Equivalent
ETS 300567:1996(IDT)