Using short message services (sms) – Multi-Tech Systems MTCBA-C-U User Manual

Page 24

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Chapter 3 – Using Your Wireless Modem

Multi-Tech Systems, Inc. MultiModem CDMA USB Wireless Modem User Guide

24

Using Short Message Services (SMS)

Send a Short Message to a Specified Number.

Type AT+CMGS="8585551212" <press Enter>

Then type your message: Please call me soon. <press ctrl Z>
The modem may respond with +CMGS:<mr> OK

Write a Message to Memory.

You can store a message to send it at a later date.

Type

AT+CMGW="8585551212" <press Enter>

Type the message. <press ctrl Z>

The modem may respond with +CMGW: 4 OK (The message is stored in the index as message 4.)

Send a Message from Storage.

Type AT+CMSS=x,"8585551212" <press Enter>

The modem may respond with +CMSS: 1 OK (The transmission is successful. One SMS message is
sent.)

Note:

The x represents an index location.

View a List of Stored Messages.

Type

AT+CMGL=x <press Enter>

For x, substitute one of the following:

"UREAD" Show all unread messages.

"READ" Show all read messages.

"USENT" Show all unsent messages.
"SENT"

Show all sent messages.

"ALL"

Show all d messages.

The modem will respond AT+CMGL: 1,"REC UNREAD","8585551212",1...
The modem will continue until all UNREAD messages, numbers, and index number are listed.

Read a Stored Message.

Type

AT+CMGR=x <press Enter>

The modem may respond with +CMGR: "REC READ", "8585551212", ......

Note:

The x represents an index location.

Delete a Stored Message.

Type

AT+CMGD=x,n <press Enter>

For n, substitute one of the following:

0 Delete message at location <include the index number>

1 Delete all READ messages.

2 Delete all READ and SENT messages.

3

Delete all READ, SENT, and UNSENT messages.

4

Delete ALL messages.

The modem will respond OK.

Note:

The x represents an index location.

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