Westermo MRD-3x0 - Manual (Page 198)

198 6623-3201
Wireless Network-Specific Commands
Command Description Usage
+CREG Query the current
network registration
state AT+CREG=?
If registered will return:
+CREG: 0,1
If not registered will return:
+CREG: 0,2
+CSQ Query the current
signal strength level To query current level:
AT+CSQ
To query possible values:
AT+CSQ=?
+CMGL List received SMSs If an SMS message is
received and accepted by
the modem, and the message
does not match any internal
SMS triggers, the message
will be queued.
To list unread queued messages:
AT+CMGL=”REC UNREAD”
To list read queued messages:
AT+CMGL=”REC READ”
To list all messages:
AT+CMGL=”ALL”
+CMGR Read a specific
received SMS To read message with index 1:
AT+CMGR=1
+CMGD Delete an SMS The delete message with
index 2:
AT+CMGD=2
+CMGS Send an SMS To send an SMS to
12345678:
AT+CMGS=”12345678”
Modem will respond with:
>
Text can now be entered.
To end the message, send
Ctrl-Z.