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Upgrade from Phase 2+ to Release 1997
 

Document History

  1. ETSI TS 100 512


    Digital cellular telecommunications system (Phase 2+) (GSM); Procedure for call progress indications (GSM 02.40 version 7.0.1 Release 1998)

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  2. ETSI TS 100 512

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    Digital cellular telecommunications system (Phase 2+) (GSM); Procedures for call progress indications (GSM 02.40 version 6.0.0 release 1997)

    • Historical Version