SS-ETS-300953 › Digital cellular telecommunications system - Call waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83 version 5.0.1)
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Digital cellular telecommunications system - Call waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 - (GSM 04.83 version 5.0.1)
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33.020 (Telecommunications in general Including infrastructure)
Designation Name
SS-ETS 300953
Revision Level
EDITION 1
Status
Superseded
Publication Date
June 27, 1997
Language(s)
English