Recently I was playing in a group and I was able to hear (audibly

) two of the group members. Like after I would heal them, I hear "That's Great" or "That's wonderful", or sometimes like "May your ale be stout"...whatever, but hearing it not seeing it.
In fact what I see is a 3rd person narrative like: "PlayerX has said thanks".
Another example is when the group leader wanted to indicate to follow, I would hear "Follow Me" and then see "PlayerX indicates to follow them".
I have searched my game manual in vain for how to enable that feature.
Does anyone know how it is done?