![](/images/new-backgrounds/1140444/14044453x1.webp)
Using the Corinex Softphone software
If the software is not able to register with the chosen VoIP provider, it will display one the following error messages:
Program message | Explanation |
| The authentication server rejected |
Registering problem, | your username / password. You |
bad username or password | probably entered them wrong. Please |
| check the configuration. |
| The application was not able to |
Registering problem, | find an authentication server at the |
couldn’t find registrar | address you entered in the settings. |
| Please check the configuration. |
4.3 Using the Corinex Softphone
After successful configuration, you should see the main window with |
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a large display and buttons. All calling functions can be accessed using |
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this window or using the buttons on the USB phone. Some advanced |
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functionality like configuration of the software, or phonebook editing is |
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possible only via the software interface. | 24 |
4.3.1 Display
This section covers the display of the Softphone. The display has three sections as seen on the following image, used for displaying different type of information.