User manual

Basic Call Features
73
Ext Key
It only works when there is expansion module connected with the phone.
For Ext Key configuration, please refer to:
UC40 User manual.
Basic Call Features
Place a Call
There are three ways to dialing a call: Handset, Headset and Hands-free speakerphone.
To place a call by Handset
1. Pick up the handset, or press a line key and dial the necessary number.
2. Press
or or press the send softkey, then the call is sending.
To place a call by Headset:
1. Press the
( light is Green),