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BASIC OPERATIONS
Enter: AT+CMGR=1
Example response:
+CMGR: "REC UNREAD","+16155554562z`z","","13/09/05,13:39:40-20"
How are you?
OK
Sending Text Messages
To send a text message in text mode:
1. Put the device in text mode.
Enter:
AT+CMGF=1
The device responds.
OK
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: 255
OK
For example:
AT+CMGF=1
OK
AT+CMGS="6155554563"
> How are you? <CTRL+Z to send>
+CMGS: 255
OK
Deleting Messages
To delete one text message, enter:
AT+CMGD=I,#
where I is the index in the select storage and # is the delflag option. Enter:
0 Deletes message in the specified index.
1 Deletes all read messages. Leaves unread messages and stored device-
originated messages.
2 Deletes all read and sent device-originated messages. Leaves unread messages
and unsent device-originated messages.
22 QuickCarrier
TM
USB-D MTD-H5 User Guide