Multi-Tech Systems MTCBA-C manual Using Short Message Services SMS

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Chapter 3 – Using Your Wireless Modem

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 and 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 1 stands for the number of the location to be read. The total number of locations depends on the amount of memory in your modem.

Note: The x represents and 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 and index location.

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

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Contents MultiModem Cdma Trademarks and Logos MultiModem Cdma User Guide Wireless ModemS000303J, Revision J Copyright Revision History Revision Date DescriptionContents Models Product Description SpecificationsFeatures Product DescriptionApplication Overview Wireless MultiModem used in remote ATM applicationApplication Types Benefits/Features in Applications Safety Instructions for Hazardous Locations SafetyGeneral Safety RF Interference IssuesPackage Contents Maintenance of Your ModemYour Responsibility Functions Cdma Modes SpecificationsElectrical Characteristics Mode DescriptionInterfaces Antenna/RF SpecificationsLEDs AT Command Information RS232 15-Pin Connector PinoutDesignation Activate Your Wireless Account Activation InstallationHook up the Antenna, Serial Cable, and Power Serial Cable Power Screw Separation = 125 mm or 4 1516 inches Optional Attach the Modem to a Flat SurfaceRequirements Install the Modem DriverVerifying That Your Modem Has Been Installed Successfully IntroductionPhone Numbers for the Wireless Modem Using Your Wireless ModemExamples of Useful AT Commands Answering a Circuit-Switched Data CSD Connection Establishing a Circuit-Switched Data CSD ConnectionEstablishing a Voice Call Using Short Message Services SMS Send Example Sending an SMS message SMS ExamplesConnecting to the Cdma Network for Internet Access Internet AccessCreate Your Dial-Up Connection in Windows XP/2003 Disconnecting the ConnectionMobile PhoneTools Troubleshooting Examples Troubleshooting Frequently Asked QuestionsWho are the carriers? Frequently Asked QuestionsWhy does the modem answer and then do nothing? Just received this modem, what do I need to do?How does faxing work? What is the max supported serial baud rate?Modem will not answer Modem answers, but does nothingGeneral Wireless Modem Reference InformationData Cable Diagram No Voice Reference InformationReference Information Repair Procedures for International Customers Appendix a Warranty and RepairsMulti-Tech Warranty Statement Repair Procedures for U.S. and Canadian CustomersReplacement Parts Repair Procedures for International DistributorsJuly