Lucent Technologies MERLIN Plus Release 2 System Manual page 133

HOW TO USE
5-14 MERLIN Plus System Features
To have your hands-free unit turn on automatically when you receive intercom
calls with voice announcement:
Touch HFAI or Auto Answer-Intercom.
1
The green light next to the button goes on.
Auto Ans.-
Intercom
To return to answering calls yourself
Touch HFAI or Auto Answer-Intercom again.
1
The green light next to the button goes off.
Auto Ans.-
Intercom