Specifications

3GPPTS27.005ATCOMMANDSFORSMSANDCBS
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139 HSPA+ATCommandsReferenceGuide
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NotesTextMode
 TheDCDsignalisinONstatewhiletextisentered.
 TheechocommandEcontrolstheechoingofenteredcharactersbackfromtheTA.
TosendthemessageissueCtrl‐Zchar(0x1Ahex).
ToexitwithoutsendingthemessageissueESCchar(0x1Bhex).
Ifmessageissuccessfullysenttothenetwork,theresultissentintheformat:
+CMGS:<m
r>
where
<mr>‐messagereferencenumber;3GPPTS23.040TP‐Message‐Referenceinintegerformat.
 Ifmessagesendingfailsforsomereason,anerrorcodeisreported.
 MakesurenootherSIMinteractingcommandsareissuedduringthecommandexecution,whichmaytake
severalseconds.
 Itispossibletosendaconcatenationofatmost10SMs.Themaximumnumberofcharactersdependsonthe
<dcs>:1520charactersif3GPPTS23.038defaultalphabetisused,1330charactersif8‐bitis used,660
charactersifUCS2isused.Ifenteredtextislongerthanthismaxi
mumvalueanerrorisraised
Notes
 Toavoidmalfunctions,waitforthe+CMGS:<mr>or+CMSERROR:<err>responsebeforeissuingfurther
commands.
 ReferenceGSM27.005.
WriteMessagetoMemory+CMGW
PDUMode
Executecommandwritesinthe<memw>memorystorageanewmessage.
TextMode 
Executecommandwritesinthe<memw>memorystorageanewmessage.
TestcommandreturnstheOKresultcode.
Syntax
Command Commandtype
(PDUMode)
AT+CMGW=<length>[,<stat>]
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(TextMode)
AT+CMGW[=<da>[,<toda>[,<stat>]]]
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AT+CMGW=? Test