2130617Rev 2.8.1UMTS ModemsSupported AT Command ReferenceIncludes: AC875 / AC875U AC880 / AC880E / AC880U AC881 / AC881U C885 C888

Supported AT Command Reference10 2130617Result codesResultcodesarenotshowninthecommandtablesunlessspecialconditionsapply.Generallythere

About this GuideRev 2.8.1 Feb.11 11UpgradingIfyourmodemfirmwareisanearlierversion,youcanacquireupdatedfirmwarebycontactingyouracco

Supported AT Command Reference12 2130617+ETFCI 33 Enable / disable / query E-TFCI average value All!GCIPHER 34 Enables / disables ciphering and integr

About this GuideRev 2.8.1 Feb.11 13Diagnostic Commands Thischapterdescribescommandsusedtoselectfrequencybandsanddiagnoseproblems.Test

Supported AT Command Reference14 2130617Memory Management Commands Thischapterdescribescommandsthatcontrolthedatastoredinnon‐volatilememor

About this GuideRev 2.8.1 Feb.11 15Commandandregistersyntaxisnotedusinganalternatefont:!CHAN=<c>[,b].The“AT”charactersarenot

Supported AT Command Reference16 2130617

2Rev 2.8.1 Feb.11 172: Supported GSM / WCDMA AT CommandsThischapteridentifiestheITU‐TRecommendationV.250,3GPPTS27.005,and3GPPTS27.007AT

Supported AT Command Reference18 2130617&W Store current parameter to user-defined profile No+DR V42bis data compression report Yes+DS V42bis data

Supported GSM / WCDMA AT CommandsRev 2.8.1 Feb.11 19S10 Set disconnect delay after indicating the absence of data carrier YesS3 Set command line t

Supported AT Command Reference20 2130617+CMT Incoming message directly displayed Yes+CMTI Incoming message stored in <mem> (“SM” - (U)SIM messag

Supported GSM / WCDMA AT CommandsRev 2.8.1 Feb.11 21+CALM Alert sound mode No+CAMM Accumulated call meter maximum No+CANCHEV NCH Support Indicat

Supported AT Command Reference22 2130617+CGCLASS GPRS mobile station class Yes+CGCLOSP Configure local octet stream PAD parameters No+CGCMOD PDP Cont

Supported GSM / WCDMA AT CommandsRev 2.8.1 Feb.11 23+CIEV Indicator event Yes+CIMI Request international mobile subscriber identity Yes+CIND Indi

Supported AT Command Reference24 2130617+CPBF Find phonebook entries Yes+CPBR Read phonebook entries Yes+CPBS Select phonebook memory storage Yes+CP

Supported GSM / WCDMA AT CommandsRev 2.8.1 Feb.11 25+CSVM Set Voice Mail Number No+CTFR Call deflection Yes+CTZR Time Zone Reporting N/A+CTZU A

Supported AT Command Reference26 2130617

3Rev 2.8.1 Feb.11 273: Modem Status, Customization, and Reset Commands• Introduction• Command summary• Command reference IntroductionThischapterdes

Supported AT Command Reference28 2130617!GVER Returns the firmware version 39^HVER Returns the modem hardware version 39!NVPORTSET Assigns appropriate

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 29Command referenceTable 3-2: Modem status, customization, and reset commands Com

PrefaceRev 2.8.1 Feb.11 3Important Notice Duetothenatureofwirelesscommunications,transmissionandreceptionofdatacanneverbeguaranteed.D

Supported AT Command Reference30 2130617!BCINFSupporting modems:• AllReturns the bootloader versionThis command is used to return the module’s bootloa

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 31+CLVL=<level>+CLVL=?+CLVL?Supporting modems:• AllSets / returns internal l

Supported AT Command Reference32 2130617+CQI?+CQI=<enableFlag>Supporting modems:• AllReturns or enables / disables return of averaged CQI (Chann

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 33+ECIO?Supporting modems:• AllReturns total Energy per chip per power density val

Supported AT Command Reference34 2130617!GCIPHER = <setting>!GCIPHER?Supporting modems:• AllEnables / disables ciphering and integrity settingsT

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 35!GRELIMEI?Supporting modems:• AllReturns the modem’s production TACThis command

Supported AT Command Reference36 2130617!GSMINFO?Supporting modems:• All, with following excep-tions:· MC8775 (min. FW: H1_1_8_13mcap)· AC875 (min. FW

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 37!GSMINFO(Continued)Displays 2G network informationExampleAT!GSMINFO?returns:!gs

Supported AT Command Reference38 2130617!GSTATUS?Supporting modems:• AllReturns operational statusThis command returns specific details about the curr

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 39 !GVER?Supporting modems:• AllReturns the firmware versionThis command returns t

Supported AT Command Reference4 2130617REVENUEORANTICIPATEDPROFITSORREVENUEARISINGOUTOFTHEUSEORINABILITYTOUSEANYSIERRAWIRELESSPRODUC

Supported AT Command Reference40 2130617!PCVOLT?Supporting modems:• All MC modems• C885• C888Returns current power supply voltage informationThis comm

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 41!REL?Supporting modems:• AllQueries the active protocol / revisionThis command i

Supported AT Command Reference42 2130617!SCACT? [<pid>]!SCACT=<state>[, <pid>]Supporting modems:• AllActivates / deactivates PDP con

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 43!SCDNS?<pid>!SCDNS=<pid>,<pri_dns>,<sec_dns>Supporting

Supported AT Command Reference44 2130617!SCPROF?<pid>!SCPROF=<pid>,<label>,<autoconnect>,<promptforpassword>,<autol

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 45!SDNOTINSTALLED?Supporting modems:• C885Returns SD installation statusThis comma

Supported AT Command Reference46 2130617!SIMNOTINSTALLED?Supporting modems:• AC885• C885• C888• MC8785V• MC8790 / 90V• MC8791V• MC8792VReturns SIM ins

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 47!SMSRETRY?!SMSRETRY=?!SMSRETRY=<period>, <interval>Supporting modems

Supported AT Command Reference48 2130617!SMSSTSEN?!SMSSTSEN=?!SMSSTSEN=<enable>, <mode>Supporting modems:• All, with following excep-tions

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 49!SWICALLPROG?!SWICALLPROG=<cpnStatus>Supporting modems:• AllEnables / disa

PrefaceRev 2.8.1 Feb.11 5Consultourwebsiteforup‐to‐date productdescriptions,documentation,applicationnotes,firmwareupgrades,trouble‐shoot

Supported AT Command Reference50 2130617!SWICALLPROG (Continued)Enables / disables Call Progress Notification (Continued)<mpty> (Multiparty stat

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 51 ^SYSCONFIG?^SYSCONFIG=<mode>, <acqorder>, <roam>, <srvDoma

Supported AT Command Reference52 2130617 ^SYSINFOSupporting modems:• AllReturns service status informationThis command returns current service type an

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 53!TIME=<YYYY>, <MM>, <DD>, <hh>, <mm>, <ss> [

Supported AT Command Reference54 2130617!UDINFO?Supporting modems:• AllReturns information from active USB descriptorThis command returns information

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 55+USET?<set>+USET=?Supporting modems:• AllDisplays WCDMA set informationThi

Supported AT Command Reference56 2130617+USETDisplays WCDMA set information (Continued)<ref> – Reference PSC designator string• Displays “(REF)”

Modem Status, Customization, and Reset CommandsRev 2.8.1 Feb.11 57&VSupporting modems:• AllReturn operating mode AT configuration parametersTh

Supported AT Command Reference58 2130617

4Rev 2.8.1 Feb.11 594: Diagnostic Commands• Introduction• Command summary• Command reference IntroductionThischapterdescribescommandsusedtodiag

Supported AT Command Reference6 2130617

Supported AT Command Reference60 2130617Command referenceTable 4-2: Diagnostic command details Command Description!MXSTATS=0!MXSTATS?Supporting modem

5Rev 2.8.1 Feb.11 615: Test commands• Introduction• Command summary• Command reference IntroductionThischapterdescribescommandsusedtodisplayan

Supported AT Command Reference62 2130617

6Rev 2.8.1 Feb.11 636: Memory Management CommandsIntroductionThemodemhas2MBofnon‐volatilememorythatisusedtostore:• Factorycalibrationda

Supported AT Command Reference64 2130617

7Rev 2.8.1 Feb.11 657: SIM Commands• Introduction• Command summary• Command reference IntroductionThischapterdescribescommandsusedtocommunicate

Supported AT Command Reference66 2130617!ICCIDSupporting modems:• AllReturns (U)SIM card’s ICCIDThis command returns a (U)SIM’s ICCID (Integrated Circ

Rev 2.8.1 Feb.11 67AA,answerincomingcall,18A/,re‐issuelastATcommand,18!AUTH,runGSMalgorithmonSIM,65B!BAND,set/queryfrequencybands,

Supported AT Command Reference68 2130617+CLIP,callinglineidentificationpresentation,23+CLIR,callinglineidentificationrestriction,23+CLVL,se

IndexRev 2.8.1 Feb.11 69!GCCLR,clearcrashdumpdata,61!GCDUMP,displaycrashdumpdata,61!GCIPHER, enable/disable ciphering and integrity set

Rev 2.8.1 Feb.11 7Table of ContentsAbout this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supported AT Command Reference70 2130617V&V,returnATconfigurationparameters,17,57V,setresultcodeformatmode,19+VTD,toneduration,25+V

Rev 2.8.1 Feb.11 71Numerics27.010statistics,display/clear602Gnetworkinformation,return363GPP27.005commands,list1927.007commands,list20AT

Supported AT Command Reference72 2130617IICCID,display66IPaddressdisplay,profileID43ITU‐TV.250commands,list17LLAC,2G,return36loudspeaker

IndexRev 2.8.1 Feb.11 73retryperiodandintervalforMO‐SMS,query/set47statusreports,enable/disable48systempowerdown40systemmode,display52T

Supported AT Command Reference74 2130617

Supported AT Command Reference8 2130617Command reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1Rev 2.8.1 Feb.11 91: About this Guide• Introduction• Result codes• Terminology and acronyms• Current firmware versions• Document structure• Conventi