Calls can be received using the handset or with hands-free.
Please see below on how to manage a call using hands-free:
Figure 5: Receiving a Call

Figure 6: Ending a Call

If the calling destination is located in an environment prone to echoing, your voice and ambient noise may echo and be heard on the station during a call.
This can be improved by adjusting the microphone volume on this station or the receive volume on the other station.
Lifting the handset during a hands-free call will switch the call to the handset