iPhone and iPad

Before you begin

To use low-bandwidth mode, one of the following must be true:

  • Your administrator sets up the system to handle calls between devices that use different codecs.

1

On the Settings screen, under Call, tap Audio and Video.

2

Under Audio, set Low Bandwidth Mode to off.


 

If you call a device that does not support the same low-bandwidth codec. You may experience one of the following problems:

  • You cannot hear audio.

  • The call is immediately disconnected.

Android

Before you begin

To use low-bandwidth mode, one of the following must be true:

  • Your administrator has set up the system to handle calls between devices that use different codecs

  • Both your device and the device of the person you are calling support the same low-bandwidth codec (G.729a or G.729b)

1

On the Settings screen, under Call, tap Audio and Video.

2

Turn the Low-Bandwidth Mode setting on or off.


 

If you call a device that does not support the same low-bandwidth codec, and the system is not set up to handle a codec mismatch, you may experience one of the following problems:

  • You cannot hear audio

  • The call is immediately disconnected