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About This Item

 

Full Description

This standard specifies the stage 1 description for the Tandem Free Op eration feature which provides the capability to avoid using two GSM s peech codecs in mobile to mobile speech calls. The primary aim is to realise improvements in speech quality. The TFO mode of operation cou ld also be used to reduce inter-MSC transmission bandwidth requirement s.
 

Document History

  1. ETSI TS 101 108

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    Digital cellular telecommunications system (Phase 2+); Tandem Free Operation (TFO); Service Description; Stage 1 (GSM 02.53 version 8.0.1 Release 1999)

    • Most Recent
  2. ETSI TS 101 108


    Digital cellular telecommunications system (Phase 2+) (GSM); Tandem Free Operation (TFO); Service Description; Stage 1 (GSM 02.53 version 7.0.1 Release 1998)

    • Historical Version
  3. ETSI TS 101 108


    Digital cellular telecommunications system (Phase 2+) (GSM); Tandem Free Operation (TFO); Service description, Stage 1 (GSM 02.53 version 5.1.0)

    • Historical Version
  4. ETSI TS 101 108


    Digital cellular telecommunications system (Phase 2+) (GSM); Tandem Free Operation (TFO); Service description, Stage 1 (GSM 02.53 version 5.0.0)

    • Historical Version