Sending, Reading, and Deleting Messages
Sending Text Messages
At this time, Cat M1 devices can send text messages to other Cat M1 devices, but cannot send messages to cell
phones.
To send a text message in text mode:
1.
Put the device in text mode.
Enter:
AT+CMGF=1
2.
Enter the recipient's number and your message.
Enter:
AT+CMGS="##########"
>Your message here
where ########## is the recipient's number
3.
Send the message.
Enter CTRL+Z.
The device responds:
+CMGS: #
OK
where # is the reference number of the sent message.
For example:
AT+CMGF=1
OK
AT+CMGS="0001112222"
> How are you? <CTRL+Z to send>
+CMGS: 255
OK
Where 0001112222 is the phone number.
Reading Text Messages
To read a text message in text mode:
1.
Put the device in text mode.
Enter:
AT+CMGF=1
2.
Read message.
Enter:
AT+CMGR=x ("x" is memory index where message has been stored.)
Example response:
®
QuickCarrier
USB-D MTD-MAT1 User Guide
BASIC OPERATIONS
27
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