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Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) 2
AT Commands Reference Guide
Products: MT5600BA-V92, MT5600BR-V92, MT5656ZDX, MT5656ZDX-V
PN S000273F
Copyright
All rights reserved. This publication may not be reproduced.
Copyright © 2003–2007 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 in the content hereof without
obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.
Record of Revisions
Revision Date Description
A 10/04/02 Initial release.
B 02/20/03 Changed the V.92 Distinctive Ring Control to +VDR. Edited the Escape Sequence text.
Added +VRID to Caller ID. Edited the +FCLASS= command. Added MT5600BA/BL–V.90
commands.
C 10/09/03 Added Voice Commands. Enhanced the descriptions of the following commands:
escape, initiate remote configuration, +FCLASS. Removed #CBA and #CBD, which are
not supported. Add MT5600ZDX to cover.
D 12/13/04 Add note to synchronous clock that Synchronous Online (&M1) must be enabled before
you can set the synchronous clock. Updated voice commands. Add V.25bis commands.
E 05/18/06 Add MT5600BR-V92 as a model covered by this command guide. Removed MT5600BL
as a model covered in this manual; for MT5600BL, use Rev. D of this manual.
F 04/18/07 Updated the Technical Support contact list.
Trademarks
MultiModemII, Multi-Tech, and the Multi-Tech logo are trademarks or registered trademarks of Multi-Tech Systems,
Inc.
Other products or brands referenced in this publication are trademarks or registered trademarks of their respective
companies or corporations.
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
Phone: 763-785-3500 or 800-328-9717
Fax: 763-785-9874
Technical Support
Country By Email By Phone
France: support@multitech.fr +(33) 1-64 61 09 81
Europe, Asia, Africa: support@multitech.co.uk +(44) 118 959 7774
U.S., Canada, all others: support@multitech.com 800-972-2439 or 763-717-5863
Internet Address: http://www.multitech.com