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TS 23.053 (SA4)
TFO – Tandem Free Operation Service description Stage 2

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(P) V14.0.0    2017/03    16 p.
(P) V13.0.0    2015/12    16 p.
(P) V12.0.0    2014/09    16 p.
(P) V11.0.0    2012/09    16 p.
(P) V10.0.0    2011/04    16 p.
(P) V9.0.0    2009/12    16 p.
(P) V8.0.0    2008/12    16 p.
(P) V7.0.0    2007/06    16 p.
(P) V6.0.0    2005/01    16 p.
(P) V5.0.0    2002/06    16 p.
(P) V4.0.1    2001/10    16 p.
(P) GSM Rel-99 v8.0.0    2000/03    15 p.
(P) GSM Rel-98 v7.0.1    1999/06    15 p.


Rapporteur:  Mr. Hellwig, Karl
Antecedent:  TS 03.53    
See also:  TFO-related TS/TR    


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

Note:
The TFO principles are built so that they could be used as well by other systems other than GSM and UMTS.


 

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