Panasonic KX-TD816G User Manual page 164

I
Intercom Calling
Allows you to make a call to another extension.
Using the handset
1
2
extension number
3
4
Using the Speakphones
1
or
2
extension number
3
4
4-80
DPT Features
1. Lift the handset.
2. Dial the extension number.
3. Start talking.
4. Hang up after completion of the conversation.
1. Press the SP-PHONE/MONITOR or INTERCOM button.
INTERCOM
2. Dial the extension number.
3. Start talking.
4. Press the SP-PHONE button after completion of the conversation.
4.2 DPT Features