Panasonic Condominiums HA D Series Instruction Manual page 14

When talking in speaker mode is difficult due to background noise
1. Touch "Press talk" while also touching
Touching "Press talk" displays a confirmation screen; touch "OK". Touching "B
ack" cancels the press talk. Touching "OK (Do not show again)" stops the confirm
ation screen from displaying from the next time.
Caution
Reverting to bidirectional talk is not possible once in press talk mode.
2. Talk while pressing "You can talk, while you keep pressing".
"Speaker".