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TS 27.005 (CT1)
Use of DTE-DCE Interface
for SMS and CBS

use "3GPP‑Page" to get the Word version
use "ETSI‑search" to get the PDF version
for a better overview, the Table of Contents (ToC) is reproduced
V15.0.0 (PDF)  2018/06  69 p.
V14.0.0  2017/03  70 p.
V13.0.0  2015/12  70 p.
V12.0.0  2014/09  70 p.
V11.0.0  2011/12  70 p.
V10.0.1  2011/10  70 p.
V9.0.1  2011/10  70 p.
V8.0.1  2011/10  70 p.
V7.0.0  2006/03  70 p.
V6.0.1  2005/01  70 p.
V5.0.1  2005/01  70 p.
V4.2.1  2005/01  70 p.
V3.2.0  2002/06  70 p.
GSM Rel-98 v7.0.1  1999/08  66 p.
GSM Rel-97 v6.0.0  1998/10  65 p.
GSM Rel-96 v5.5.0  1997/12  68 p.
GSM Phase-2 v4.8.1  1996/11  68 p.

Rapporteur:  Mr. Aghili, Behrouz

This TS defines three interface protocols for control of SMS functions within a GSM/UMTS mobile telephone from a remote terminal via an asynchronous interface.
Clause 2 defines a binary protocol ("Block Mode"). The protocol includes error protection and is suitable for use where the link may not be completely reliable. It will be of particular use where control of remote devices is required. Efficient transfer of binary encoded user data is possible.
Clause 3 defines a character-based interfaced based on "AT" commands ("Text Mode"). This mode is suitable for unintelligent terminals or terminal emulators, and for application software built on command structures like those defined in V.25ter. Some of the commands defined in clause 3 will also be useful for implementations of clause 2 and/or clause 4, for example enabling an indication of incoming SMS messages.
Clause 4 defines a character-based interface with hex-encoded binary transfer of message blocks ("PDU Mode"). This mode is suitable for software drivers based on AT command structures which do not understand the content of the message blocks and can only pass them between the MT and "upper level" software resident in the TE.
In all three modes, the terminal is considered to be in control for SMS/CBS transactions.

full Table of Contents for  TS 27.005  Word version:   15.0.0

 

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0  ScopeWord-p. 7
1  Reference configurationWord-p. 9
2  SMS Block Mode
2.1  Beginning and ending of SMS/CBS Block Mode
2.2  Protocol description
2.3  Requesting messages already held in the Mobile TerminationWord-p. 12
2.4  Message functional definitions and contentsWord-p. 16
2.5  General message format and information elements codingUp
3  Text Mode
4  PDU Mode
A (Normative)  Character Set Conversions for SMS Text ModeWord-p. 58
B  Example of processing a data blockWord-p. 61
C  Change HistoryWord-p. 68

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