Multi-Tech Systems CDMA Wireless Modem - Manual (Page 64)

Chapter 8 – Short Messages Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 64
Delete Message +CMGD
Description: This command is used to delete one or several messages from preferred message storage.
Values: <index>
0-9
When the preferred message storage is “BC”. Integer type values in the range of location
numbers of Message memory when the preferred message storage is “MT” or “SR”.
<DelFlag>
0 Delete message at location <index>
1 Delete All READ messages
2 Delete All READ and SENT messages
3 Delete All READ, SENT and UNSENT messages
4 Delete All messages.
Note: When the preferred message storage is “SR”, as SMS status reports are assumed to
have a “READ” status, if <DelFlag> is greater than 0, all SMS status reports will be deleted.
Syntax: Command syntax: AT+CMGD=<Index> [,<DelFlag>]
Command Possible Responses
+CMTI:”MT”,3
Note: New message received
AT+CMGR=3
Note: Read it +CMGR: “REC UNREAD”,”8585551212”,
“98/10/01,18 :19 :20”,1,2,0,17 <CR><LF>
Message received!
OK
Note: Unread message received from 8585551212 on the 01/10/1998 at
18H19m 20s
AT+CMGD=3
Note: Delete it OK
Note: Message deleted
AT+CMGD=1,0 OK
Note: The message from the preferred message storage at the location 1 is
deleted
AT+CMGD=1,1 OK
Note: All READ messages from the preferred message storage are deleted
AT+CMGD=1,2 +CMS ERROR:321
Note: NV Error deleting READ messages and SENT (no messages to delete)
AT+CMGD=1,3 OK
Note: All READ, SENT and UNSENT messages are deleted
AT+CMGD=1,4 OK
Note: All messages are deleted