Mute Your Call
While you are on a call, you can mute the audio, so that you can hear the other person, but they cannot hear you.
If you have a Cisco IP Phone 8845 or 8865, when you mute your audio, your camera continues to transmit video.
Adjust the Phone Ringer Volume
If your phone ringer is too loud or too soft when you have an incoming call, you can change the ringer volume. When you change the ringer volume, it does not affect the volume of the sound that you hear when you are on a call.
Change the Ringtone
Adjust the Volume During a Call
If the sound in your handset, headset, or speakerphone is too loud or too soft, you can change the volume while you are listening to the other person. When you change the volume during a call, the change only affects the speaker you're using at the time. For example, if you adjust the volume while you're using a headset, the handset volume doesn't change.