GE Telligence Patient-Staff Communications System Operation Manual page 35

Chapter 3
Using staff consoles and annunciators
If you are using the speakerphone or a headset, press Connect.
To hang up at the end of a call:
Replace the handset.
— or —
If you are using the speakerphone or a headset, press the Hang Up
button on the Audio screen.
To cancel a call before establishing a connection:
Press Cancel on the dial pad.
Telligence Patient-Staff Communication System Operation Manual 29