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Chapter 3 – Using Your Wireless Modem
32 Multi-Tech Systems, Inc. MultiModem GPRS USB Wireless Modem User Guide
3 Delete all READ, SENT, and UNSENT messages.
4 Delete ALL messages.
If you want to delete one message at a time, do not enter a value for n.
2. The modem will respond OK.
Note: The x represents an index location. The n stands for the type of messages to delete.
SMS Examples
Send Example
Send an SMS message to another SMS compatible device
at+cmgf=1 (set to text mode)
OK
at+cpms="SM","SM" (set memory storage when writing and sending SMS messages)
+CPMS: 0,50,0,50
OK
at+cmgs="7632273726" (send message to the number specified in quotes)
> TEST message ONE. (Type message after the > symbol and hit <CTRL + Z> to send the message)
+CMGS: 52
OK
Receive Examples
Receive Example 1: Receive SMS messages in text mode by saving to SIM memory – Notification via +CMTI
unsolicited response code:
at+cmgf=1 (set to text mode)
OK
at+csms=0 (set to Phase 1)
+CSMS: 1,1,1
OK
at+cnmi=2,1,0,0,0 (set to display +CMTI indication when SMS is received)
OK
at+cpms="SM","SM" (set the read and write storage of SMS to SIM)
+CPMS: 0,50,0,50
OK
+CMTI: "SM",1 (indication that message was received and stored to SIM location 1)
at+cmgr=1 (read message stored in location 1)
+CMGR: "REC UNREAD","+17632273726",,"06/03/17,13:55:22+00"