SimCom SIM7500 Series

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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25

140

NO Vendor

Syntax

Test Command Responses

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

Read Command

Responses

AT+ CTXVOL? +CTXVOL: <value>

Write Command

Responses

AT+CTXVOL=<value> OK

ERROR

Defined values

<value>

Gain value from 0x0000-0xffff, default value is not a fixed value. It varies with different versions.

Examples

AT+CTXVOL=0x1234

AT+CTXVOL?

+CTXVOL: 0x2d33

6.30 AT+CTXMICGAIN Adjust TX voice mic gain

Description

This command is used to adjust mic gain. It modify the TX_VOICE_MIC_GAIN in DSP. This

command only be used during call and don’t save the parameter after call.

SIM PIN References

NO Vendor

Syntax

Test Command

Responses

AT+CTXMICGAIN=? +CTXMICGAIN: (list of supported <mode>,<value>s)

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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