
Chapter 5 – Country/Regional Code Configuration
Multi-Tech Systems, Inc. AT Commands for the MultiModem & SocketModem MT9234 Series (S000434H) 62
Chapter 5 – Country/Regional Code
Configuration
Different countries/regions have different requirements for how modems must function. Therefore, before
you use the modem, you must configure it to match the defaults of the country/region in which you are
using it.
To configure the modem for a specific country/region, execute the following AT commands:
1. Type AT%T19,0,nn (nn stands for the country/region code). Press Enter. OK is displayed.
2. Then save the changes by issuing the following command: AT&F&W
3. To verify that the correct code has been configured, issue the following command:
ATI9
The country/region code is then displayed in decimal format.
The following is an example of country/region, AT commands, and result codes.
Country/Region AT Command (Hexadecimal) Result Code (Decimal)
Euro/NAM* At%T19,0,34 (default) 52
Australia At%T19,0,01 1
Czech Republic At%T19,0,25 37
Japan At%T19,0,10 16
New Zealand At%T19,0,9 9
Countries/Regions Supported
See the list on the Multi-Tech Web site for countries and regions supported.
http://www.multitech.com/PROD
UCTS/Info/approvals/
Then click on global modems. The Global Modem Country/Region Approvals page displays. On this page
you can view approvals, configuration strings (includes the country/regional code) and responses
available in list form by selecting country/region and/or product.
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