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ETSI I-ETS 300 022-3
- European digital cellular telecommunications system (Phase 1); Mobile radio interface; Layer 3 specification; Part 3: Signalling support of the second ciphering algorithm (GSM 04.08)
- standard by European Telecommunications Standards Institute, 02/01/1994
- Publisher: ETSI
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Extension of GSM 04.08 (& 04.08-DCS) to cover dual ciphering algorithms (A5/1 & A5/2)