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4.2.5 SMS CONTROL COMMANDS (GSM 07.05)
AT+CMGF
This command is used to define the SMS format (Short Message Service).
For further information on AT+CMGF command, see the chapter "Functional Examples".
Command
AT+CMGF=0
AT+CMGF=1
AT+CMGF?
AT+CSCA
This command allows to set the Service Center number in the SIM card memory. An error will
occur if trying to send an SMS using a wrong number of the Services Center. Verify with your GSM
Operator the number of the Service Center.
For further information on AT+CSCA command, see the chapter "Functional Examples".
Command
AT+CSCA?
AT+CSCA=" Service
Center Address"
AT+CSMP
This command is used to define period of validity of the message in the Services Center.
Command
AT+CSMP=<fo>,<vp>,
<pid>,<dcs>
AT+CSMP?
Default: AT+CSMP=1,167
<fo>
Reserved (value is 1, do not modify)
<vp>
Period of validity
"11"
1 hour
"71"
6 hours
"167"
24 hours
"173"
1 week
"255"
Higher
<pid>
Reserved
<dcs>
Reserved
34
Messages format
Possible answers
OK
OK
+CMGF: 1
Service Center Number
Possible answers
+CSCA: "Service Center Address"
OK
Period of Validity for the SMS
Possible answers
OK / ERROR
+CSMP:
<fo>,<vp>,<pid>,<dcs>
Action
SMS in PDU mode
SMS in Text mode
Shows the current settings
Action
Displays the Service Center number
Inserts the Service Center number
Action
Sets the period of validity
Shows the current settings
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