Panasonic KX-TD816NZ - Manual (Page 66)

2.4 During a Conversation
66
Operation
2.4.7 Letting Other People Listen to the Conversation (Off-
Hook Monitor) [KX-T7433, KX-T7436 only]
You can let other people in the room listen to the conversation through the speaker while continuing
the conversation using the handset.
To set / cancel
• This feature is only available during a conversation using the handset.
• The SP-PHONE button light shows the current status as follows:
On: The voice is heard through the speaker.
Off: The voice is heard through the handset.
Press SP-PHONE.
T7433 / T7436
SP-PHONE