User manual

http://www.DBL.com FXS+FXO Gateway Series
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3.3.7. Abandon changes
If your new settings are not saved, you can clean all the unsaved new parameters.
4. Tools
4.1. Online Upgrade
Page shows current version information, input upgrade address, click start, wait after
upgrade and start again. When the page shows “Upgrade successful”, click “OK”.
Notes: Please keep in touch with the company’s technology support, in case that get
the latest information and upgrade address.