Multitech MTCMR-H User's Guide download pdf (Page 64)

Chapter 3 – Supported GSM/WCDMA AT Commands

High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 64

+CMGD Delete Message

Description: This command deletes one or several messages from preferred message storage ("BM"

SMS-CB "RAM storage", "SM" SMSPP storage, "SIM storage" or “SR” SMS Status-Report

storage).

Refer also to the Preferred Message Storage +CPMS command.

Syntax:

Command Responses

Action Command:

AT+CMGD=<Index> [,<DelFalg>]

No Read and Test Commands

Values: <index> Index of Messages to be Deleted

If <DelFlag>=0

1-20 If the preferred message storage is “BM”

If <DelFlag> is > 0, <index> is ignored

SIM Values

If the preferred message storage is "SM" or "SR".

<DelFlag> Message Deletion Mode

0 Delete message at location <index>. Default.

If <DelFlag> is omitted, the default value is used.

1 Delete All READ messages

2 Delete All READ and SENT messages

3 Delete All READ, SENT and UNSENT messages

4 Delete All messages.

Examples:

Command Responses

+CMTI:”SM”,3 Note: New message received

AT+CMGR=3

Note: Read it

+CMGR: “REC UNREAD”,”0146290800”,“98/10/01,18:19:20+00” <CR><LF>

Message received!

Note: Unread message received from 0146290800 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 OK Note: All READ messages and SENT mobile originated messages are deleted

AT+CMGD=1,3 OK Note: All READ, SENT and UNSENT messages are deleted

AT+CMGD=1,4 OK Note: All messages are deleted

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Multitech MTCMR-H User's Guide Page 64