SimCom SIM7500 Series

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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25

138

AT+CPCMREG=1

AT+CPCMREG?

+CPCMREG:1

6.27 AT+CMICGAIN Adjust mic gain

Description

This command is used to adjust mic gain. If this command was used during call, it will take

immediate effect. Otherwise, it will take effect in next call.

SIM PIN References

NO Vendor

Syntax

Test Command

Responses

AT+CMICGAIN=? +CMICGAIN: (list of supported <value>s)

Read Command Responses

AT+ CMICGAIN?

+CMICGAIN: <value>

Write Command Responses

AT+CMICGAIN=<value> OK

ERROR

Defined values

<value>

Gain value from 0-8, 8 is the max. 3 is the default value. This value will be reset to default value

after Module reset.

Examples

AT+CMICGAIN=1

AT+CMICGAIN?

+CMICGAIN:1

SIMCOM CONFIDENTIAL FILE

Main Page

E R S I O N H I S T O R y3
- Table of Contents9
1 Introduction18
- Scope18
- References18
- Terms and Abbreviations18
- Definitions and Conventions19
2 AT Interface Synopsis21
- Interface Settings21
- AT Command Syntax21
- Information Responses22
3 AT Commands According V.25TER23
- A/ Repeat Last Command23
- ATD Dial Command23
- Atd><Mem><N> Originate Call from Specified Memory25
- Atd><N> Originate Call from Active Memory (1)26
- Atd><Str> Originate Call from Active Memory (2)27
- ATA Call Answer28
- ATH Disconnect Existing Call29
- ATS0 Automatic Answer Incoming Call29
- Switch from Data Mode to Command Mode30
- ATO Switch from Command Mode to Data Mode31
- ATI Display Product Identification Information31
- AT+IPR Set Local Baud Rate Temporarily33
- AT+ICF Set Control Character Framing34
- AT+IFC Set Local Data Flow Control35
- AT&C Set DCD Function Mode36
- ATE Enable Command Echo37
- AT&V Display Current Configuration37
- AT&D Set DTR Function Mode38
- AT&S Set DSR Function Mode38
- ATV Set Result Code Format Mode39
- AT&F Set All Current Parameters to Manufacturer Defaults40
- ATQ Set Result Code Presentation Mode41
- ATX Set CONNECT Result Code Format41
- AT\V Set CONNECT Result Code Format about Protocol42
- AT&E Set CONNECT Result Code Format about Speed43
- AT&W Save the User Setting to ME44
- ATZ Restore the User Setting from ME44
- AT+CGMI Request Manufacturer Identification45
- AT+CGMM Request Model Identification46
- AT+CGMR Request Revision Identification46
- AT+CGSN Request Product Serial Number Identification47
- AT+CSCS Select te Character Set48
- AT+CIMI Request International Mobile Subscriber Identity49
- AT+CIMIM Request Another International Mobile Subscriber Identity49
- AT+GCAP Request Overall Capabilities50
4 AT Commands for Status Control52
- AT+CFUN Set Phone Functionality52
- AT+CPIN Enter PIN53
- AT+CICCID Read ICCID from SIM Card54
- AT+CSIM Generic SIM Access55
- AT+CRSM Restricted SIM Access56
- AT+SPIC Times Remain to Input SIM PIN/PUK60
- AT+CSPN Get Service Provider Name from SIM61
- AT+CSQ Query Signal Quality62
- AT+AUTOCSQ Set CSQ Report63
- AT+CSQDELTA Set RSSI Delta Change Threshold64
- AT+CATR Configure URC Destination Interface65
- AT+CPOF Power down the Module66
- AT+CRESET Reset the Module67
- AT+CACM Accumulated Call Meter67
- AT+CAMM Accumulated Call Meter Maximum68
- AT+CPUC Price Per Unit and Currency Table69
- AT+CCLK Real Time Clock Management70
- AT+CMEE Report Mobile Equipment Error71
- AT+CPAS Phone Activity Status72
- AT+SIMEI Set IMEI for the Module73
- AT+SMEID Request Mobile Equipment Identifier74
- AT+CSVM Voice Mail Subscriber Number75
- AT+CUSBPIDSWITCH Change Module's PID76
- Indication of EONS77
- Indication of Voice Mail77
5 AT Commands for Network78
- AT+CREG Network Registration78
- AT+COPS Operator Selection79
- AT+CLCK Facility Lock82
- AT+CPWD Change Password83
- AT+CCUG Closed User Group85
- AT+CUSD Unstructured Supplementary Service Data86
- AT+CAOC Advice of Charge87
- AT+CSSN Supplementary Service Notifications88
- AT+CPOL Preferred Operator List90
- AT+COPN Read Operator Names92
- AT+CNMP Preferred Mode Selection93
- AT+CNBP Preferred Band Selection94
- AT+CNAOP Acquisitions Order Preference97
- AT+CPSI Inquiring UE System Information98
- AT+CNSMOD Show Network System Mode102
- AT+CEREG EPS Network Registration Status103
- AT+CTZU Automatic Time and Time Zone Update105
- AT+CTZR Time and Time Zone Reporting106
- AT+NETMODE WCDMA & TDSCDMA Mode Select107
6 AT Commands for Call Control109
- AT+CVHU Voice Hang up Control109
- AT+CHUP Hang up Call110
- AT+CBST Select Bearer Service Type110
- AT+CRLP Radio Link Protocol112
- AT+CR Service Reporting Control113
- AT+CRC Cellular Result Codes115
- AT+CLCC List Current Calls116
- AT+CEER Extended Error Report118
- AT+CCWA Call Waiting119
- AT+CHLD Call Related Supplementary Services120
- AT+CCFC Call Forwarding Number and Conditions122
- AT+CLIP Calling Line Identification Presentation123
- AT+CLIR Calling Line Identification Restriction125
- AT+COLP Connected Line Identification Presentation126
- AT+VTS DTMF and Tone Generation128
- AT+VTD Tone Duration129
- AT+CSTA Select Type of Address130
- AT+CMOD Call Mode131
- AT+VMUTE Speaker Mute Control132
- AT+CMUT Microphone Mute Control133
- AT+MORING Enable or Disable Report MO Ring URC133
- AT+CSDVC Switch Voice Channel Device134
- AT+CLVL Loudspeaker Volume Level135
- AT+SIDET Set Sidetone136
- AT+CACDBFN Change Default ACDB Filename137
- AT+CPCMREG USB Audio Control138
- AT+CMICGAIN Adjust MIC Gain139
- AT+COUTGAIN Adjust out Gain140
- AT+CTXVOL Adjust TX Voice MIC Volume140
- AT+CTXMICGAIN Adjust TX Voice MIC Gain141
- AT+CRXVOL Adjust RX Voice Output Speaker Volume142
- AT+CECH Inhibit Far-End Echo143
- AT+CECDT Inhibit Echo During Doubletalk144
- AT+CECWB Inhibit Echo in the High Band145
- AT+CNSN MIC NOISE Suppression146
- AT+CNSLIM MIC NOISE Suppression146
- AT+CFNSMOD Adjust Parameter Fnsmode of RX_VOICE_FNS147
- AT+CFNSIN Adjust Parameter Fnsinputgain of RX_VOICE_FNS148
- AT+CFNSLVL Adjust Parameter Fnstargetns of RX_VOICE_FNS149
- AT+CECRX Enable or Disable VOICE_MOD_ENABLE150
- AT+CNLPPG Modify the Nlpp_Gain in DSP151
- AT+CNLPPL Modify the Nlpp_Limit in DSP151
- AT+CECM Adjust Echo Canceller152
- AT+CPCMFRM Set Usb Audio Sample Rate to 16K Bit153
7 AT Commands for SMS155
- AT+CSMS Select Message Service155
- AT+CPMS Preferred Message Storage156
- AT+CMGF Select SMS Message Format158
- AT+CSCA SMS Service Centre Address159
- AT+CSCB Select Cell Broadcast Message Indication160
- AT+CSMP Set Text Mode Parameters161
- AT+CSDH Show Text Mode Parameters162
- AT+CNMA New Message Acknowledgement to ME/TA163
- AT+CNMI New Message Indications to te164
- AT+CGSMS Select Service for MO SMS Messages166
- AT+CMGL List SMS Messages from Preferred Store167
- AT+CMGR Read Message171
- AT+CMGS Send Message175
- AT+CMSS Send Message from Storage176
- AT+CMGW Write Message to Memory177
- AT+CMGD Delete Message179
- AT+CMGMT Change Message Status180
- AT+CMVP Set Message Valid Period181
- AT+CMGRD Read and Delete Message182
- AT+CMGSEX Send Message183
- AT+CMSSEX Send Multi Messages from Storage184
- AT+CMGP Set Cdma/Evdo Text Mode Parameters185
8 AT Commands for Phonebook187
- AT+CPBS Select Phonebook Memory Storage187
- AT+CPBR Read Phonebook Entries188
- AT+CPBF Find Phonebook Entries190
- AT+CPBW Write Phonebook Entry191
- AT+CNUM Subscriber Number192
9 AT Commands for GPRS194
- AT+CGREG GPRS Network Registration Status194
- AT+CGATT Packet Domain Attach or Detach195
- AT+CGACT PDP Context Activate or Deactivate196
- AT+CGDCONT Define PDP Context197
- AT+CGDSCONT Define Secondary PDP Context199
- AT+CGTFT Traffic Flow Template202
- AT+CGQREQ Quality of Service Profile (Requested)205
- AT+CGEQREQ 3G Quality of Service Profile (Requested)207
- AT+CGQMIN Quality of Service Profile (Minimum Acceptable)212
- AT+CGEQMIN 3G Quality of Service Profile (Minimum Acceptable)215
- AT+CGDATA Enter Data State219
- AT+CGPADDR Show PDP Address220
- AT+CGCLASS GPRS Mobile Station Class222
- AT+CGEREP GPRS Event Reporting223
- AT+CGAUTH Set Type of Authentication for PDP-IP Connections of GPRS225
10 Hardware Related Commands227
- AT+CVALARM Low and High Voltage Alarm227
- AT+CVAUXS Set State of the Pin Named VREG_AUX1228
- AT+CVAUXV Set Voltage Value of the Pin Named VREG_AUX1229
- AT+CADC Read ADC Value230
- AT+CADC2 Read ADC2 Value230
- AT+CMTE Control the Module Whether Power Shutdown When the Module's Temperature Upon the Critical Temperature231
- AT+CPMVT Low and High Voltage Power off233
- AT+CDELTA Set the Module Go to Recovery Mode234
- AT+CRIIC Read Values from Register of IIC Device234
- AT+CWIIC Write Values to Register of IIC Device235
- AT+CBC Read the Voltage Value of the Power Supply236
- AT+CPMUTEMP Read the Temperature of the Module236
11 AT Commands for SIM Application Toolkit238
- AT+STIN SAT Indication238
- AT+STGI Get SAT Information239
- AT+STGR SAT Respond242
- AT+STK STK Switch243
- AT+STKFMT Set STK Pdu Format244
- AT+STENV Original STK PDU Envelope Command245
- AT+STSM Get STK Setup Menu List with PDU Mode246
12 AT Commands for Hardware247
- AT+IPREX Set Local Baud Rate Permanently247
- AT+CFGRI Indicate RI When Using URC248
- AT+CSCLK Control UART Sleep249
- AT+CMUX Enable the Multiplexer over the UART250
- AT+CGFUNC Enable/Disable the Function for the Special GPIO251
- AT+CGDRT Set the Direction of Specified GPIO253
- AT+CGSETV Set the Value of Specified GPIO254
- AT+CGGETV Get the Value of Specified GPIO254
- AT+CGISR Set GPIO Interrupt Trigger Condition255
13 AT Commands for File System257
- AT+FSCD Select Directory as Current Directory257
- AT+FSMKDIR Make New Directory in Current Directory258
- AT+FSRMDIR Delete Directory in Current Directory259
- AT+FSLS List Directories/Files in Current Directory260
- AT+FSDEL Delete File in Current Directory261
- AT+FSRENAME Rename File in Current Directory262
- AT+FSATTRI Request File Attributes263
- AT+FSMEM Check the Size of Available Memory264
- AT+FSLOCA Select Storage Place264
- AT+FSCOPY Copy an Appointed File265
14 AT Commands for File Transmission268
- AT+CFTRANRX Transfer a File to EFS268
- AT+CFTRANTX Transfer a File from EFS to Host269
15 AT Commands for Internet Service271
- Pdp271
- Tcp/Udp284
- Ftp309
- Ftps325
- Http340
  - At+Chttpact340
  - Unsolicited HTTP Codes (Summary of CME ERROR Codes)343
- Https344
- Htp351
- Ntp353
  - AT+CNTP Update System Time353
  - Unsolicited NTP Codes354
- Common Channel Service354
- SSL Certificate & Key Management364
16 AT Commands for Open/Close Network367
- AT+CNETSTART Open Network367
- AT+CNETSTOP Close Network368
- AT+CNETIPADDR Inquire PDP Address369
- Unsolicited CNETSTART/CNETSTOP Codes369
17 AT Commands for GPS371
- AT+CGPS Start/Stop GPS Session371
- AT+CGPSINFO Get GPS Fixed Position Information372
- AT+CGPSCOLD Cold Start GPS374
- AT+CGPSHOT Hot Start GPS374
- AT+CGPSURL Set AGPS Default Server URL375
- AT+CGPSSSL Set AGPS Transport Security376
- AT+CGPSAUTO Start GPS Automatic376
- AT+CGPSNMEA Configure NMEA Sentence Type377
- AT+CGPSNEMARATE Set NMEA Output Rate378
- AT+CGPSMD Configure AGPS MO Method379
- AT+CGPSFTM Start GPS Test Mode380
- AT+CGPSDEL Delete the GPS Information381
- AT+ CGPSXE Enable/Disable GPS XTRA Function382
- AT+CGPSXD Download XTRA Assistant File382
- AT+CGPSXDAUTO Download XTRA Assistant File Automatically383
- AT+CGPSINFOCFG Report GPS NMEA-0183 Sentence384
- AT+CGPSPMD Configure Positioning Mode386
- AT+CGPSMSB Configure Based Mode Switch to Standalone387
- AT+CGPSHOR Configure Positioning Desired Accuracy388
- AT+CGPSNOTIFY LCS Respond Positioning Request389
- AT+CGPSMODE Configure GPS and GLONASS Mode389
- AT+CBDS Enable/Disable BEIDOU Session390
- AT+CGNSSINFO Get GNSS Fixed Position Information391
- Unsolicited XTRA Download Codes393
- AT+CLBS Base Station Location393
- AT+CLBSCFG Base Station Location Configure396
- AT+CASSISTLOC Base Station Location of Lte/Cdma1X Mode398
18 Audio Application Commands400
- AT+CREC Record Wav Audio File400
- AT+CCMXPLAYWAV Play Wav Audio File401
- AT+CCMXSTOPWAV Stop Playing Wav Audio File402
- AT+ CCMXPLAY Play Audio File402
- AT+ CCMXSTOP Stop Playing Audio File403
19 Appendixes404
- Verbose Code and Numeric Code404
- Response String of AT+CEER404
- Summary of CME ERROR Codes408
- Summary of CMS ERROR Codes411

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