AT Commands Manual - Teltonika

AT CommandsUser Manual10.9 Read message +CMGRCommand syntaxDescription+CMGR= This execution command returns message with location value from message storage to the TE.for SMS-DELIVER in text mode:+CMGR:,,[],[,,,,,,,] for SMS-SUBMIT in text mode:+CMGR:,,[][,,,,[],,,]for SMS-STATUS-REPORT in text mode:+CMGR: ,,,[],[], for SMS-COMMAND in textmode:+CMGR:,,[,,[],[],[],]for CBM storage in text mode:+CMGR:,,,,, in PDU mode:+CMGR: ,[],AT+CMGR=3Test commandAT+CMGR=?OKorCMS ERROR: OK: may be in range 0-400; value 0 is possible only if a SMS class 0 is received and previously the setting+CNMI=1,… was set may be:− 0 in PDU mode or “REC UNREAD” in text mode: received unread SMS− 1 in PDU mode or “REC READ” in text mode: received read SMS− 2 in PDU mode or “STO UNSENT” in text mode: stored unsent SMS− 3 in PDU mode or “”STO SENT” in text mode: stored sent SMS− 4 in PDU mode or “ALL” in text mode: all SMS’s10.10 New Message Acknowledgement to ME/TA +CNMACommand syntaxDescriptionif text modeThis execution command confirms correct reception of a new message (SMS-DELIVER(+CMGF=1 enabled) +CNMA or SMS-REPORT) which is routed directly to the TE. This acknowledgement commandif PDU mode(causing ME to send RP-ACK to the network) shall be used when +CSMS parameter(+CMGF=0 equals 1. MS shall not send another +CMT or +CDS result code to TE beforeenabled)+CNMA=previous one is acknowledged. If the mobile does not get the acknowledgement within,PDU< required time (network timeout), it must send RP-ERROR to the network. Both settingsctrl-Z/ESC> and of +CNMI command will be automatically set to zero. If the command+CNMA is received, but no acknowledgement is expected, or some other ME relatederrors occurs, a corresponding +CMS ERROR: is returned.AT+CNMATest commandAT+CNMA=?OKorCMS ERROR: