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TS 23.034 (CT1)
HSCSD – High Speed Circuit Switched Data Stage 2

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(P) V14.0.0    2017/03    28 p.
(P) V13.0.0    2015/12    28 p.
(P) V12.0.0    2014/09    29 p.
(P) V11.0.0    2012/09    29 p.
(P) V10.0.0    2011/03    29 p.
(P) V9.0.0    2009/12    29 p.
(P) V8.0.0    2008/12    29 p.
(P) V7.0.0    2007/06    29 p.
(P) V6.0.0    2005/01    29 p.
(P) V5.2.0    2003/03    29 p.
(P) V4.0.0    2001/04    21 p.
(P) V3.3.0    2001/01    21 p.
(P) GSM Rel-98 v7.0.0    1999/06    20 p.
(P) GSM Rel-97 v6.0.0    1998/10    20 p.
(P) GSM Rel-96 v5.2.0    1999/02    20 p.

Rapporteur:  Mr. Aghili, Behrouz
Antecedent:  TS 03.34    
See also:  HSCSD-related TS/TR    

This TS contains the stage 2 service description for a High Speed Circuit Switched Data (HSCSD) on GSM/GERAN in A/Gb mode and Iu mode. HSCSD utilizes the multislot mechanism, i.e. using multiple traffic channels (/bearers) for the communication.

Additionally, the present document specifies some HSCSD related requirements for multi system mobile stations operating in UTRAN Iu mode. In UTRAN Iu mode one bearer can provide all needed data rates, and the multislot mechanism is therefore not needed. However, for inter-system handover to GERAN, certain information has to be provided by the mobile station during the service negotiation. The UTRAN Iu mode aspects concerning HSCSD are described exclusively in clause 4.2.


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1   Scope [R3]   PDF-p. 5
2   References [R3]
3   Definitions [R3]   PDF-p. 6
4   Main concepts [R3]   PDF-p. 7
5   HSCSD architecture and transmission [R3]
6   Charging [R3]
A   Change history   PDF-p. 26

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