Chapter 3 – Using the Front Panel
Multi-Tech Systems, Inc. MT5600BA-V92 User Guide 11
Using AT Commands
You can use AT commands to configure your modem through a communication program’s terminal
window.
How to Change the Country/Region Code
1. View the list of available country/region codes to find your country/region code by executing the
command AT +GCI? <CR>
Note: A list of country/region codes is also available on the Multi-Tech Web site. Refer to Finding
Country or Region Codes for details.
2. Set and save the code by executing the following command:
AT+GCI=nn <CR> (where nn is the country/region code).
OK displays.
The code then displays.
How to Verify the Code
Type AT+GCI?<CR>
or you can use this command:
ATI5<CR>
Example
1. Type AT+GCI=B5<CR> to set B5 as your country/region code.
2. Type AT+GCI?<CR> or ATI5<CR> to verify that B5 was set. B5 indicates the configuration is set for
any B5 country such as Canada and the United States.
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