Writing Text Messages; Deleting Messages - Multitech MT100UCC-EV3 Developer's Manual

CONFIGURING AND COMMUNICATING WITH YOUR DEVICE
Enter:
AT+CMGR=1
Example response:
+CMGR: "REC UNREAD","+10001112222z`z","","13/09/05,13:39:40-20"
How are you?
OK
Where 0001112222 is the phone number.

Writing 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: #
OK
where # is the reference number of the sent message.
For example:
AT+CMGF=1
OK
AT+CMGS="0001112222"
> How are you?
+CMGS: 255
OK
Where 0001112222 is the phone number.

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.
34
<CTRL+Z to send>
QuickCarrier™ USB-E MT100UCC-EV3 Developer Guide