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ETSI TS 101 517
- Digital cellular telecommunications system (Phase 2+); Call Deflection (CD) Supplementary Service; Stage 3 (GSM 04.72 version 7.0.1 Release 1998)
- standard by European Telecommunications Standards Institute, 10/01/2001
- Publisher: ETSI
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Service to permit a GSM subscriber to redirect an incoming call to another destination, by specification in the response. Stage 3.