To configure an extension for a IAX2 device, perform the following steps:
- From the PBX tab, select PBX Configuration
- From the left side column, select Extensions
- In the drop-down list box, select the device type Generic IAX2 Device and press the Submit button
- On the Add IAX2 Extension page, enter the extension number in the User Extension field
- Fill in all extension specific parameters. You should configure at least the following fields:
- Display Name (name of the extension/user)
- Secret (password to be used for registation of the IAX2 device)
- Press the Submit button to create the IAX2 extension.