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3GPP (SA4)
TS 03.53














TFO – Tandem Free Operation Service description Stage 2

(P) GSM Rel-99 v8.0.0    2000/03    15 p.
(P) GSM Rel-98 v7.0.1    1999/06    15 p.

Rapporteur:  HELLWIG, Karl
Descendant(s):  TS 23.053    
See also:  TFO-related TS/TR    

This TS defines the stage 2 service description for Tandem Free Operation (TFO) in GSM. Tandem Free Operation applies only to speech calls.

  • the TFO principles are built so that they could be used as well by other systems other than GSM.

1   Scope   PDF-p. 5
2   References
3   Definitions and abbreviations   PDF-p. 6
4   Main Concepts
5   TFO Architecture and Transmission Mechanism
6   Model of operation   PDF-p. 8      Up
7   Compatibility Issues
8   Interactions with Other Services
9   Operational Aspects   PDF-p. 13
A   Change history   PDF-p. 14