You can configure voice codec settings. However, you are recommended to retain the default settings.
Procedure
- Choose .
- From the drop-down list, choose the first voice codec type.
- From the drop-down list, choose the second voice codec type.
- From the drop-down list, choose the third voice codec type.
- From the drop-down list, choose the fourth voice codec type.
- From the drop-down list, choose the fifth voice codec type.
- From the drop-down list, choose the sixth voice codec type.
- Click .