3 Definitions and Abbreviations

03.533GPPService descriptionStage 2Tandem Free Operation (TFO)TS

3.1 Definitions

Tandem Free Operation: corresponds to the Mobile-to-Mobile calls for which the speech is not transcoded two times but only one by the Mobile Stations.

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

TFO: Tandem Free Operation

IPE: In Path Equipment

Further abbreviations used may be found in GSM 01.04