when voices sound too loud, you must use the physical side buttons . Adjusting the volume from the Home screen often only changes the ringer or media volume, not the in-call speaker. Immediate Solutions During a Call
: Press the Volume Down button on the left side of the device while the call is active to lower the earpiece or speaker volume. Iphone 13 Call Sound High Voiceee
If the volume remains too loud even at the lowest setting, check these accessibility and safety features: Adjust the volume on iPhone - Apple Support when voices sound too loud, you must use