Multi-Tech Systems MTD-EV3 User Manual
BASIC OPERATIONS
Enter:
AT+CMGS="##########"
AT+CMGS="##########"
>Your message here
where ########## is the recipient's number.
3.
Send the message.
Enter CTRL+Z.
The device responds:
+CMGS: 255
OK
Enter CTRL+Z.
The device responds:
+CMGS: 255
OK
For example:
AT+CMGF=1
OK
AT+CMGS="6155554563"
> How are you?
OK
AT+CMGS="6155554563"
> How are you?
<CTRL+Z to send>
+CMGS: 255
OK
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.
originated messages.
2
Deletes all read and sent device-originated messages. Leaves unread messages
and unsent device-originated messages.
and unsent device-originated messages.
3
Deletes all read messages and sent and unsent device-orginated messages.
Leaves unread messages.
Leaves unread messages.
4
Deletes all messages.
For example:
AT+CMGD=1 (delete message at index 1)
AT+CMGD=2 (delete message at index 2 )
AT+CMGD=1,0
AT+CMGD=1,1
AT+CMGD=1,2
AT+CMGD=1,3
AT+CMGD=1,4
AT+CMGD=2 (delete message at index 2 )
AT+CMGD=1,0
AT+CMGD=1,1
AT+CMGD=1,2
AT+CMGD=1,3
AT+CMGD=1,4
QuickCarrier
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USB-D EV-DO MTD-EV3 User Guide
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