Panasonic KX-TD612NZ - Manual (Page 88)

Operation
88 User Manual
2.4.11 Letting Other People Listen to the Conversation (Off-
Hook Monitor)
To set/cancel
You can let other people in the room listen to the conversation through the
speaker while continuing the conversation using the handset.
• 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.
DPT
SP-PHONE