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ETSI TS 101 252
- Digital cellular telecommunications system (Phase 2+) (GSM); Description for the use of a Shared Inter Working Function (SIWF) in a GSM PLMN; Stage 2 (GSM 03.54 version 7.0.0 Release 1998)
- standard by European Telecommunications Standards Institute, 08/01/1999
- Publisher: ETSI
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