User guide

Chapter 14 – Short Message Service Control Commands

Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 73

<encod> Encoding (network specific)

0 Octet (or Unspecified)

1 IS91EP

2 ASCII

3 IA5

4 UCS-2 Unicode

<length> Length of the text message (in bytes).

<data> Message text

Delete Message +CMGD

Description: This command is used to delete one or several messages from preferred message storage.

Syntax: Command syntax: AT+CMGD=<Index> [,<DelFlag>]

Command Possible Responses

AT+CMGD=1 OK

Note: The message from the preferred message storage at the

location 1 is deleted

ERROR

Note: There is no message stored at preferred message storage

location 1

AT+CMGD=1,0

Note: Delete message

stored in location (index) 1

(with optional <CelFlag>)

ERROR

Note: There is no message stored at preferred message storage

location 1

AT+CMGD=1,1 OK

Note: All READ messages from the preferred message storage

are deleted

AT+CMGD=1,4 OK

Note: All messages are deleted

Values: <index>

0-99

0 Delete message at location <index>

1 Delete all READ messages

2 Reserved (unsupported)

3 Reserved (unsupported)

4 Delete all messages.