Panasonic KXTG7873 - Manual (Page 55)

Call sharing between your headset
and the handset
Important:
R To activate this feature, you should set call
sharing mode to on beforehand (page 41).
n While the handset is on a landline call:
To join the conversation with your headset,
turn on the headset referring to your
headset operating instructions.
n While your headset is on a landline call:
To join the conversation with the handset,
press M
N.
Adjusting your headset receiver
volume
Base unit
Press MDN or MCN repeatedly while using your
headset.
For assistance, please visit http://www.panasonic.com/help 55
Using Bluetooth Devices
TG78xx(en)_1210_ver101.pdf 55 2012/12/10 21:19:30