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HUAWEI MG323 GSM M2M Module
AT Command Interface Specification
15.1.2 Reading the Current Audio Channel.................................................................................. 197
15.1.3 Switching the Audio Channel............................................................................................. 197
15.2 AT+CMIC - Command for Adjusting the Microphone Gain Level............................................... 197
15.2.1 Querying the Supported Microphnoe Gain Levels ............................................................ 197
15.2.2 Querying the Current Microphone Gain Level................................................................... 198
15.2.3 Setting the Microphone Gain Level ................................................................................... 198
15.3 AT^ECHO - Command for Suppressing the Echo...................................................................... 198
15.3.1 Querying the Supported Echo Suppressing Functions ..................................................... 199
15.3.2 Reading the Current Settings of the Echo Suppressing Function..................................... 199
15.3.3 Setting the Echo Suppressing Function ............................................................................ 200
15.4 AT+CLVL - Command for Adjusting the Speaker Volume .......................................................... 200
15.4.1 Querying the Supported Speaker Volume Level ............................................................... 200
15.4.2 Reading the Current Speaker Volume............................................................................... 201
15.4.3 Setting the Speaker Volume .............................................................................................. 201
15.5 AT+CMUT - Command for Muting and Unmuting the Microphone ............................................ 201
15.5.1 Querying the Supported Muting Settings for the Microphone ........................................... 202
15.5.2 Reading the Curent Muting Settings of the Microphone ................................................... 202
15.5.3 Setting the Muting Function of the Microphone................................................................. 203
16 Other Commands ....................................................................................................................204
16.1 A/ - Command for Executing the Previous Command Again ..................................................... 204
16.1.1 Execution Command ......................................................................................................... 204
16.1.2 Examples........................................................................................................................... 204
16.2 ATS3 - Command for Settting the Command Line Ending Character....................................... 205
16.2.1 Querying the Current Command Line Ending Character .................................................. 205
16.2.2 Setting the Command Line Ending Character................................................................... 205
16.2.3 Examples........................................................................................................................... 205
16.3 ATS4 - Command for Setting the Response Format Character ................................................ 206
16.3.1 Querying the Current Format Character............................................................................ 206
16.3.2 Setting the Response Format Character........................................................................... 207
16.3.3 Examples........................................................................................................................... 207
16.4 ATS5 - Command for Setting the Backspace Character ........................................................... 207
16.4.1 Querying the Current Backspace Character ..................................................................... 208
16.4.2 Setting the Current Backspace Character......................................................................... 208
16.4.3 Examples........................................................................................................................... 208
16.5 ^THERM - Command for Unsolicitedly Reporting Temperature Protection ............................... 209
17 Appendix ..................................................................................................................................210
17.1 List of URC Commands ............................................................................................................. 214
17.2 List of CME/CMS ERROR Codes .............................................................................................. 216
17.3 Acronyms and Abbreviations...................................................................................................... 220
Issue 02 (2010-11-23)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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