
Copyright and Technical Support
Multi-Tech Systems, Inc. AT Commands for Wireless Modems with IP Connectivity (S000333B) 2
AT Commands for GSM/GPRS Wireless Modems with IP Connectivity
Reference Guide S000333B
Products: MTCBA-G-xxxx, MTMMC-G-xxxx, and MTSMC-G-xxxx
Copyright
This publication may not be reproduced, in whole or in part, without prior expressed written permission from Multi-Tech
Systems, Inc. All rights reserved. Copyright © 2003, by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranties with respect to the contents hereof and specifically
disclaims any implied warranties of merchantability or fitness for any particular purpose. Furthermore, Multi-Tech
Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof
without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.
Revisions
Revision Level Date Description
A 03/18/04 Initial release.
B 05/20/05 Chapters added for UDP and PING. Added AT#RECiADD parameter. Updated text
for AT#SMTPUN and AT#SMTPPW. Added Error Codes 35841 (GPRS session lost)
and 37123 (IP Connectivity library: Service is running. Unable to set parameter).
The phrase IP Connectivity Library replaces SmartStack in the Error Codes. Added
the command to erase the flash memory.
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