Mute Button Mutes Output on Speakerphone

Problem Statement

When on a speakerphone call, hitting the Mute button mutes the audio output.

Expected Behavior

Hitting the mute button should mute audio input (Mic) but preserve audio output.

Steps to Reproduce

• Place a Call
• Press Speakerphone Button
• Confirm you can hear person on other side of call
• Press Mute Button
• Confirm you can no longer hear the person on other side of call