When you get a voice message in Cisco Jabber, you can listen to it either through an earpiece or your device speaker. You can set the default option for listening to your voice messages.
Before you begin
Make sure that phone service is enabled for your account.
On the Settings screen, under Call, tap Audio and Video.
Under Audio, set Disable Speaker for Voicemail to off.
Whenever you play a voice message, it plays on your phone's receiver.
Go to Settings, tap Audio and Video.
Tap Disable Speaker for Voice Messages.
The voicemail plays through your earpiece.