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TR 23.903 (SA2)
Redial solution for voice-video switching

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V15.0.0 (PDF)2018/06  19 p.
V14.0.0  2017/03  20 p.
V13.0.0  2015/12  20 p.
V12.0.0  2014/09  20 p.
V11.0.0  2012/09  20 p.
V10.0.0  2011/03  20 p.
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V7.0.0  2007/06  20 p.
V6.1.0  2005/03  20 p.

Rapporteur:  Mr. Pudney, Chris
See also:  –

Many 3GPP operators regard circuit switched video services as a key part of UMTS. However there is a strong desire to have an effective and user friendly method of switching between voice and video services when the user desires and/or when radio conditions change and video mode is no longer available.

This TR describes the idle mode redial mechanism which 3GPP based systems can use to enhance switching between circuit switched voice and video services.


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1  ScopePDF-p. 5
2  References
3  Definitions, symbols and abbreviations
4  Description of idle mode redial switching between voice and videoPDF-p. 6
5  Interaction with Supplementary Services and other 3GPP FeaturesPDF-p. 14
6  O+M, charging and inter-operator and roaming accountingPDF-p. 15
A  List of CRs needed to other TSsPDF-p. 17
B  Change historyPDF-p. 18

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