Synaccess Networks NP-0801DTM - Manual (Page 144)

3GPP TS 27.005 AT COMMANDS FOR SMS AND CBS
HSPA+ AT Commands Reference Guide 144
4 Delete all messages from storage.
Notes
„
If is present and not set to 0 then, if is greater than 0, is ignored and ME follows the
rules for shown above.
„
Reference: GSM 27.005.
Examples
AT+CMGD=?
+CMGD: (1,2,3,6,7,17,18,19,20,37,38,39,47),(0-4)
OK
Select Service for MO SMS Messages +CGSMS
Set command specifies the service or service preference that the MT uses to send MO SMS messages.
Read command returns the currently selected service or service preference in the form:
+CGSMS:
Test command reports the supported list of currently available services .
Syntax
Command Command type
AT+CGSMS=[] Set
AT+CGSMS? Read
AT+CGSMS=? Test
Parameters and Values
Numeric parameter indicating the service or service preference used.
0 GPRS.
1 Circuit switched. Default: 1.
2 GPRS preferred. Use circuit switched if SMS through GPRS service not available or
GPRS not registered.
3 Circuit switched preferred. Use GPRS if SMS through GSM service not available or
GSM not registered.
Notes
„
The value is saved on non‐volatile memory as global parameter.