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MC55 AT Command Set

8.4 AT+CSQ

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MC55_ATC_V01.05 Page 194 of 469 2/10/04

Confidential / Released

Note

• After using network related commands such as AT+CCWA, AT+CCFC, AT+CLCK, users are advised to wait 3s

before entering

AT+CSQ. This is recommended to be sure that any network access required for the preceding

command has finished.

Table of Contents

Default Chapter3
- Table of Contents3
- List of Figures12
1 Introduction13
- Scope of the Document13
- Related Documents14
- Document Conventions15
- AT Command Syntax17
  - Using Parameters17
  - Combining at Commands on the same Command Line18
- Supported Character Sets19
- Flow Control26
  - Software Flow Control (XON/OFF Flow Control)26
  - Hardware Flow Control (RTS/CTS Flow Control)26
- Unsolicited Result Code Presentation27
  - Communication between Customer Application and MC5527
- Common PCN Handset Specification (CPHS)28
- Errors and Messages29
2 Configuration Commands30
- AT&F Set All Current Parameters to Manufacturer Defaults30
- AT&V Display Current Configuration31
- AT&W Stores Current Configuration to User Defined Profile33
- ATQ Set Result Code Presentation Mode34
- ATV Set Result Code Format Mode35
  - Verbose and Numeric Result Codes35
- ATX Set CONNECT Result Code Format and Call Monitoring37
- ATZ Set All Current Parameters to User Defined Profile38
- AT+CFUN Set Phone Functionality39
  - Wake up the ME from SLEEP Mode43
  - Table 2.3: Wake-Up Events in NON-CYCLIC and CYCLIC SLEEP Modes43
- AT^SMSO Switch off Mobile Station44
- AT+GCAP Request Complete TA Capabilities List45
- AT+CMEE Report Mobile Equipment Error46
- AT+CSCS Select te Character Set52
- AT^SCFG Extended Configuration Setting54
- Parameter Description57
- AT^SM20 Set M20 Compatibility Mode61
3 Status Control Commands63
- AT+CMER Mobile Equipment Event Reporting63
- AT+CIND Indicator Control66
- AT^SIND Extended Indicator Control70
- AT+CEER Extended Error Report73
- ATS18 Extended Call Release Report85
- AT+CPAS Mobile Equipment Activity Status87
- AT+WS46 Select Wireless Network88
4 Serial Interface Control Commands89
- AT\Q Flowcontrol89
- AT&C Set Circuit Data Carrier Detect (DCD) Function Mode90
- AT&D Set Circuit Data Terminal Ready (DTR) Function Mode91
- AT&S Set Circuit Data Set Ready (DSR) Function Mode92
- ATE Enable Command Echo93
- AT+ILRR Set TE-TA Local Rate Reporting94
- AT+IPR Set Fixed Local Rate96
  - Autobauding98
- AT+CMUX Enter Multiplex Mode99
5 Security Commands103
- AT+CPIN Enter PIN103
  - What to Do if PIN or Password Authentication Fails105
- AT+CPIN2 Enter PIN2107
- AT^SPIC Display PIN Counter110
- AT+CLCK Facility Lock115
- AT^SLCK Facility Lock121
- AT+CPWD Change Password122
- AT^SPWD Change Password126
6 Identification Commands127
- ATI Display Product Identification Information127
- AT+CGMI Request Manufacturer Identification128
- AT+GMI Request Manufacturer Identification129
- AT+CGMM Request Model Identification130
- AT+GMM Request TA Model Identification131
- AT+CGMR Request Revision Identification of Software Status132
- AT+GMR Request TA Revision Identification of Software Status133
- AT+CGSN Request Product Serial Number Identification (IMEI) Identical to GSN134
- AT+GSN Request TA Serial Number Identification (IMEI)135
- AT+CIMI Request International Mobile Subscriber Identity136
7 Call Related Commands137
- Call Status Information137
- ATA Answer a Call139
- ATD Mobile Originated Call to Dial a Number140
- Atd><Mem><N> Originate Call to Phone Number in Memory143
- Atd><N> Originate Call to Phone Number Selected from Active Memory145
  - Atd><Str> Originate Call to Phone Number in Memory with Corresponding Field147
- ATDI Mobile Originated Call to Dialable ISDN Number <N149
- ATDL Redial Last Telephone Number Used150
- ATH Disconnect Existing Connection151
- AT+CHUP Hang up Call152
- ATS0 Set Number of Rings before Automatically Answering the Call153
- ATS6 Set Pause before Blind Dialing155
- ATS7 Set Number of Seconds to Wait for Connection Completion156
- ATS8 Set Number of Seconds to Wait for Comma Dialing Modifier157
- ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier158
- ATP Select Pulse Dialing159
- ATO Switch from Command Mode to Data Mode / PPP Online Mode160
- Switch from Data Mode to Command Mode161
- ATT Select Tone Dialing162
- AT+CBST Select Bearer Service Type163
- AT+CRLP Select Radio Link Protocol Param. for Orig. Non-Transparent Data Call165
- AT+CLCC List Current Calls of ME167
- AT^SLCC Siemens Defined Command to List the Current Calls of the ME170
- AT+CR Service Reporting Control176
- AT+CRC Set Cellular Result Codes for Incoming Call Indication178
- AT+CSNS Single Numbering Scheme180
- AT^SCNI List Call Number Information182
- AT^SLCD Display Last Call Duration184
- AT^STCD Display Total Call Duration185
8 Network Service Commands186
- AT+COPN Read Operator Names186
- AT+COPS Operator Selection187
- AT+CREG Network Registration190
- AT+CSQ Signal Quality193
- AT^SMONC Cell Monitoring195
- AT^MONI Monitor Idle Mode and Dedicated Mode197
- AT^MONP Monitor Neighbour Cells201
  - AT^MONP Responses202
- AT^SMONG GPRS Monitor203
  - AT^SMONG Cell Info Table204
- AT^SALS Alternate Line Service205
- AT^SHOM Display Homezone207
- AT^SPLM Read the PLMN List208
- AT^SPLR Read Entry from the Preferred Operators List209
- AT^SPLW Write an Entry to the Preferred Operators List211
9 Supplementary Service Commands212
- AT+CACM Accumulated Call Meter (ACM) Reset or Query212
- AT^SACM Advice of Charge and Query of ACM and Acmmax214
- AT+CAMM Accumulated Call Meter Maximum (Acmmax) Set or Query216
- AT+CAOC Advice of Charge Information218
- AT+CCUG Closed User Group220
- AT+CCFC Call Forwarding Number and Conditions Control222
- AT+CCWA Call Waiting226
- AT+CHLD Call Hold and Multiparty230
- AT+CLIP Calling Line Identification Presentation233
- AT+CLIR Calling Line Identification Restriction235
- AT+CPUC Price Per Unit and Currency Table237
- AT+CSSN Supplementary Service Notifications239
- AT+CUSD Supplementary Service Notifications241
10 GPRS Commands243
- AT+CGACT PDP Context Activate or Deactivate243
- AT+CGANS Manual Response to a Network Request for PDP Context Activation245
- AT+CGATT GPRS Attach or Detach247
- AT+CGAUTO Automatic Response to a Network Request for PDP Context Activation249
- AT+CGDATA Enter Data State251
- AT+CGDCONT Define PDP Context253
- AT+CGPADDR Show PDP Address255
- AT+CGQMIN Quality of Service Profile (Minimum Acceptable)256
- AT+CGQREQ Quality of Service Profile (Requested)260
- AT+CGREG GPRS Network Registration Status264
- AT+CGSMS Select Service for MO SMS Messages266
- AT^SGAUTH Set Type of Authentication for PPP Connection268
- AT^SGCONF Configuration of GPRS Related Parameters269
- ATA Manual Response to a Network Request for PDP Context Activation271
- ATD*99# Request GPRS Service272
- ATD*98# Request GPRS IP Service274
- ATH Manual Rejection of a Network Request for PDP Context Activation275
- ATS0 Automatic Response to a Network Request for PDP Context Activation276
- Using GPRS at Commands (Examples)278
- Using the GPRS Dial Command ATD280
11 FAX Commands281
- FAX Parameters281
- AT+FBADLIN Bad Line Threshold284
- AT+FBADMUL Error Threshold Multiplier285
- AT+FBOR Query Data Bit Order286
- AT+FCIG Query or Set the Local Polling ID287
- AT+FCLASS Fax: Select, Read or Test Service Class288
- AT+FCQ Copy Quality Checking290
- AT+FCR Capability to Receive291
- AT+FDCC Query or Set Capabilities292
- AT+FDFFC Data Compression Format Conversion293
- AT+FDIS Query or Set Session Parameters294
- AT+FDR Begin or Continue Phase C Data Reception295
- AT+FDT Data Transmission296
- AT+FET End a Page or Document297
- AT+FK Kill Operation, Orderly FAX Abort298
- AT+FLID Query or Set the Local ID Setting Capabilities299
- AT+FMDL Identify Product Model300
- AT+FMFR Request Manufacturer Identification301
- AT+FOPT Set Bit Order Independently302
- AT+FPHCTO DTE Phase C Response Timeout303
- AT+FREV Identify Product Revision304
- AT+FRH Receive Data Using HDLC Framing305
- AT+FRM Receive Data306
- AT+FRS Receive Silence307
- AT+FTH Transmit Data Using HDLC Framing308
- AT+FTM Transmit Data309
- AT+FTS Stop Transmission and Wait310
- AT+FVRFC Vertical Resolution Format Conversion311
12 Short Message Service (SMS) Commands312
- SMS Parameters312
- AT+CMGC Send an SMS Command316
- AT+CMGD Delete SMS Message317
- AT+CMGF Select SMS Message Format318
- AT+CMGL List SMS Messages from Preferred Store319
- AT+CMGR Read SMS Messages321
- AT+CMGS Send SMS Message323
- AT+CMGW Write SMS Messages to Memory325
- AT+CMSS Send SMS Messages from Storage327
- AT+CNMA New SMS Message Acknowledge to ME/TE, Only Phase 2328
- AT+CNMI New SMS Message Indications330
- AT+CPMS Preferred SMS Message Storage334
- AT+CSCA SMS Service Centre Address337
- AT+CSCB Select Cell Broadcast Message Indication338
- AT+CSDH Show SMS Text Mode Parameters340
- AT+CSMP Set SMS Text Mode Parameters341
- AT+CSMS Select Message Service343
- AT^SLMS List SMS Memory Storage345
- AT^SMGL List SMS Messages from Preferred Store Without Setting Status to REC READ347
- AT^SMGO Set or Query SMS Overflow Presentation Mode or Query SMS Overflow348
- AT^SMGR Read SMS Message Without Setting Status to REC READ350
- AT^SSCONF SMS Configuration351
- AT^SSDA Set SMS Display Availability353
- AT^SSMSS Set Short Message Storage Sequence355
13 SIM Related Commands356
- AT+CRSM Restricted SIM Access356
- AT^SCKS Query SIM and Chip Card Holder Status358
- AT^SCID Display SIM Card Identification Number360
- AT+CXXCID Display Card ID361
14 SIM Application Toolkit (SAT) Commands362
- AT^SSTA SAT Interface Activation362
- SSTN SAT Notification364
- AT^SSTGI SAT Get Information366
- AT^SSTR SAT Response368
15 Phonebook Commands370
- Sort Order for Phonebooks370
- AT+CPBR Read from Phonebook371
- AT+CPBS Select Phonebook Memory Storage374
- AT+CPBW Write into Phonebook376
- AT^SPBC Search the First Entry in the Sorted Telephone Book379
- AT^SPBD Purge Phonebook Memory Storage381
- AT^SPBG Read Current Phonebook Entries383
- AT^SPBS Step through the Selected Phonebook Alphabetically387
- AT^SDLD Delete the 'Last Number Redial' Memory391
16 Audio Commands392
- Audio Programming Model392
- Figure 16.1: Audio Programming Model392
- ATL Set Monitor Speaker Loudness393
- ATM Set Monitor Speaker Mode394
- AT+CLVL Loudspeaker Volume Level395
- AT+CMUT Mute Control397
- AT+VTD Tone Duration398
- AT+VTS DTMF and Tone Generation399
- AT^SAIC Audio Interface Configuration401
- AT^SNFA Set or Query of Microphone Attenuation403
- AT^SNFD Set Audio Parameters to Manufacturer Default Values405
- AT^SNFI Set Microphone Path Parameters406
- AT^SNFM Set Microphone Audio Path and Power Supply408
- AT^SNFO Set Audio Output (= Loudspeaker Path) Parameter410
- AT^SNFPT Set Progress Tones412
- AT^SNFS Select Audio Hardware Set413
- AT^SNFTTY Switch Audio Path to TTY/CTM Mode417
- AT^SNFV Set Loudspeaker Volume419
- AT^SNFW Write Audio Setting in Non-Volatile Store421
- AT^SRTC Ring Tone Configuration422
17 Hardware Related Commands425
- AT+CALA Set Alarm Time425
  - Summary of at Commands Available in Alarm Mode428
  - Table 17.1: List of at Commands Available in Alarm and Charge-Only Mode428
- AT+CCLK Real Time Clock429
- AT^SBC Battery Charging / Discharging and Charge Control430
  - Summary of at Commands Available in Charge-Only and Alarm Mode432
- AT^SBV Battery/Supply Voltage433
- AT^SCTM Set Critical Operating Temperature Presentation Mode or Query Temperature434
- AT^SSYNC Configure SYNC Pin437
  - ME Status Indicated by Status LED Patterns438
  - Table 17.2: Modes of the LED and Indicated ME Functions438
18 Miscellaneous Commands439
- A/ Repeat Previous Command Line439
- ATS3 Write Command Line Termination Character440
- ATS4 Set Response Formatting Character441
- ATS5 Write Command Line Editing Character442
19 Appendix443
- Restricted Access to SIM Data after SIM PIN Authentication443
- List of *# Codes444
- Table 19.1: List of *# Codes444
- Table 19.2: Abbreviations of Codes and Parameters Used in Table445
- Available at Commands and Dependency on SIM PIN448
- Table 19.3: Available at Commands and Dependency on SIM PIN448
- AT Command Settings Storable with AT&W455
- Table 19.4: Settings Stored to User Profile on ASC0 / MUX Channel 1455
- Table 19.5: Settings Stored to User Profile on ASC1 / MUX Channels 2 and 3456
- Factory Default Settings Restorable with AT&F458
- Table 19.6: Factory Default Settings Restorable with AT&F458
- Summary of Unsolicited Result Codes (URC)461
- Table 19.7: Summary of Unsolicited Result Codes (URC)461
- Alphabetical List of at Commands463
- Table 19.8: Alphabetical List of at Commands463

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