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TS 27.003 (CT3)
Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities

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(P) V14.0.0    2017/03    19 p.
(P) V13.0.0    2015/12    19 p.
(P) V12.0.0    2014/10    19 p.
(P) V11.0.0    2012/09    19 p.
(P) V10.0.1    2011/04    19 p.
(P) V9.0.0    2009/12    19 p.
(P) V8.0.0    2008/12    19 p.
(P) V7.0.0    2007/06    19 p.
(P) V6.0.0    2005/01    19 p.
(P) V5.0.0    2002/01    19 p.
(P) V4.1.0    2001/04    19 p.
(P) V3.5.0    2000/10    25 p.

Rapporteur:  Mr. Holm, Jan
Antecedent:  TS 07.03    

This TS defines Terminal Adaptation Functions (TAF) which are integrated in a Mobile Termination (MT) and which enable the use of synchronous bearer services in the PLMN and the attachment of Synchronous synchronous Terminals terminals to an MT (see TS 24.002).

For the case where asynchronous terminals are attached to the TAF when using synchronous bearer services in the PLMN, the reader is referred to TS 27.002 for the asynchronous MT-TAF interface specifics and to the present document for synchronous bearer service specifics on the TAF-IWF interface.

The general aspects of Terminal Adaptation Functions are contained in specification TS 27.001. The present document covers support of synchronous data services (see TS 22.002 for the following interfaces and procedures:
  • V.22 DTE/DCE Interface;
  • V.22 bis DTE/DCE Interface;
  • V.26 ter DTE/DCE Interface;
  • X.21 bis DTE/DCE Interface;
  • X.32 Procedure;
  • V.25 bis Procedure.


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1   Scope   PDF-p. 5
2   References
3   General
4   Terminal Adaptation Functions for synchronous transparent services
5   Terminal Adaptation Functions for synchronous non-transparent services.
6   V-series interface procedures to 3GPP TS 24.008 [7] mapping   PDF-p. 14
7   ITU-T X.21 [23] interface procedures to 3GPP TS 24.008 [7] mapping   PDF-p. 15
8   Support for packet service
A  (Normative)   L2R Functionality   PDF-p. 16
B   Change history   PDF-p. 17

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