Motorola g20 - Page 4

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2.6 SENDING SMS................................................................................................................................................................. 13
2.6.1 Overview............................................................................................................................................................... 13
2.6.2 Features and Benefits ............................................................................................................................................ 13
2.6.3 Technical Description ........................................................................................................................................... 14
2.7 FAX ................................................................................................................................................................................... 14
2.7.1 Overview............................................................................................................................................................... 14
2.7.2 Features and Benefits ............................................................................................................................................ 14
2.7.3 Technical Description ........................................................................................................................................... 14
2.8 CHARACTER SETS......................................................................................................................................................... 15
2.8.1 ASCII Character Set Management........................................................................................................................ 15
2.8.2 GSM Character Set Management ......................................................................................................................... 15
2.8.3 UCS2 Character Set Management ........................................................................................................................ 15
2.8.4 UTF-8 Character Set Management ....................................................................................................................... 16
2.8.5 8859 Character Set Management .......................................................................................................................... 16
2.9 AT COMMANDS SUMMARY........................................................................................................................................ 17
3. INTRODUCTION TO AT COMMANDS
3.1 AT COMMANDS OVERVIEW ....................................................................................................................................... 29
3.1.1 General Symbols Used in AT Commands Description ........................................................................................ 29
3.1.2 General System Abbreviations.............................................................................................................................. 29
3.2 AT COMMANDS PROTOCOL ....................................................................................................................................... 30
3.3 AT COMMANDS STRUCTURE ..................................................................................................................................... 30
3.3.1 Command Structure .............................................................................................................................................. 30
3.3.2 Results Code Structure.......................................................................................................................................... 31
3.3.3 Response and Indications Structure ...................................................................................................................... 32
3.4 AT COMMANDS PROTOCOL & STRUCTURE CONFIGURATION......................................................................... 32
3.5 COMMAND TOKEN TYPES .......................................................................................................................................... 33
3.5.1 Basic Syntax Command Format ........................................................................................................................... 33
3.5.2 Extended Syntax Command Format ..................................................................................................................... 34
3.6 COMMAND ARGUMENT TYPES ................................................................................................................................. 34
3.6.1 Numeric Constants................................................................................................................................................ 34
3.6.2 String Constants .................................................................................................................................................... 34
3.7 COMMAND MODE TYPES............................................................................................................................................ 34
3.7.1 Parameter Set Command Syntax........................................................................................................................... 34
3.7.2 Parameter Read Command Syntax ....................................................................................................................... 35
3.7.3 Parameter Test Command Syntax......................................................................................................................... 35
3.8 VALUES .......................................................................................................................................................................... 35
3.8.1 Range of Values.................................................................................................................................................... 35
3.8.2 Compound Range of Values ................................................................................................................................. 35
3.9 ABORTING COMMANDS .............................................................................................................................................. 35
3.10 CORE AT COMMANDS.................................................................................................................................................. 36
4. AT COMMANDS REFERENCE
4.1 G18 BACKWARD COMPATIBILITY............................................................................................................................ 39
4.2 MODEM ID....................................................................................................................................................................... 39
4.2.1 Subscriber Unit Identity ........................................................................................................................................ 39
4.2.2 Capability Reporting............................................................................................................................................. 47